diff --git a/code-samples/workspaces/bonus/admin-workspace-info/workspace_admin_helper.py b/code-samples/workspaces/bonus/admin-workspace-info/workspace_admin_helper.py
index 8745b3f20..409365ccd 100644
--- a/code-samples/workspaces/bonus/admin-workspace-info/workspace_admin_helper.py
+++ b/code-samples/workspaces/bonus/admin-workspace-info/workspace_admin_helper.py
@@ -38,7 +38,7 @@
 from evo.files import FileAPIClient
 from evo.files.data import FileMetadata
 from evo.notebooks._consts import DEFAULT_DISCOVERY_URL
-from evo.notebooks._helpers import build_img_widget
+from evo.notebooks.assets import get as get_asset
 from evo.objects import ObjectAPIClient
 from evo.objects.data import ObjectMetadata
 from evo.workspaces import User, Workspace, WorkspaceAPIClient
@@ -46,6 +46,14 @@
 from evo.workspaces.endpoints.api import AdminApi, LicenseAccessApi
 
 
+def build_img_widget(filename: str) -> widgets.Image:
+    return widgets.Image(
+        value=get_asset(filename).read_bytes(),
+        format="png",
+        layout=widgets.Layout(max_height="26px", margin="3px", align_self="center"),
+    )
+
+
 class WorkspaceAdminHelper:
     """Aggregates administrative information across workspaces in an Evo instance.
 
diff --git a/packages/evo-sdk-common/pyproject.toml b/packages/evo-sdk-common/pyproject.toml
index 2c93cd357..6284efc48 100644
--- a/packages/evo-sdk-common/pyproject.toml
+++ b/packages/evo-sdk-common/pyproject.toml
@@ -26,9 +26,9 @@ Documentation = "https://developer.seequent.com/"
 aiohttp = ["aiohttp"]
 notebooks = [
     "evo-sdk-common[aiohttp]",
+    "anywidget",
     "ipykernel",
     "ipython",
-    "ipywidgets",
     "python-dotenv",
     "Pillow",
 ]
@@ -39,7 +39,7 @@ jmespath = [
 [dependency-groups]
 # Dev dependencies. The version is left unspecified so the latest is installed.
 test = [
-    "evo-sdk-common[aiohttp]",
+    "evo-sdk-common[aiohttp,notebooks]",
     "freezegun",
     "parameterized==0.9.0",
     "pytest",
diff --git a/packages/evo-sdk-common/src/evo/notebooks/_helpers.py b/packages/evo-sdk-common/src/evo/notebooks/_helpers.py
index 6611852e4..3a5431e56 100644
--- a/packages/evo-sdk-common/src/evo/notebooks/_helpers.py
+++ b/packages/evo-sdk-common/src/evo/notebooks/_helpers.py
@@ -9,11 +9,10 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
+import base64
 from pathlib import Path
 from typing import TypeAlias
 
-import ipywidgets as widgets
-
 from evo.common.utils import Cache
 
 from . import assets
@@ -21,6 +20,8 @@
 
 FileName: TypeAlias = str | Path
 
+_MEDIA_TYPES = {".gif": "image/gif", ".png": "image/png"}
+
 
 def init_cache(cache_location: FileName = DEFAULT_CACHE_LOCATION) -> Cache:
     """Initialise the storage location for the notebook environment.
@@ -37,20 +38,22 @@ def init_cache(cache_location: FileName = DEFAULT_CACHE_LOCATION) -> Cache:
     return cache
 
 
-def build_img_widget(filename: str) -> widgets.Image:
-    image = assets.get(filename).read_bytes()
-    return widgets.Image(
-        value=image,
-        format="png",
-        layout=widgets.Layout(max_height="26px", margin="3px", align_self="center"),
-    )
+def read_asset_text(filename: str) -> str:
+    """Read a bundled text asset, such as the widget ESM or stylesheet.
+
+    :param filename: The name of the file in the assets directory.
+
+    :returns: The contents of the file.
+    """
+    return assets.get(filename).read_text(encoding="utf-8")
+
 
+def asset_data_uri(filename: str) -> str:
+    """Encode a bundled image asset as a data URI so it can be embedded directly in widget markup.
 
-def build_button_widget(text: str) -> widgets.Button:
-    widget = widgets.Button(
-        description=text,
-        button_style="info",
-        layout=widgets.Layout(margin="5px 5px 5px 5px", align_self="center"),
-    )
-    widget.style.button_color = "#265C7F"
-    return widget
+    :param filename: The name of the file in the assets directory.
+
+    :returns: The data URI for the image.
+    """
+    encoded = base64.b64encode(assets.get(filename).read_bytes()).decode("ascii")
+    return f"data:{_MEDIA_TYPES[Path(filename).suffix.lower()]};base64,{encoded}"
diff --git a/packages/evo-sdk-common/src/evo/notebooks/assets/feedback.js b/packages/evo-sdk-common/src/evo/notebooks/assets/feedback.js
new file mode 100644
index 000000000..ad99c780f
--- /dev/null
+++ b/packages/evo-sdk-common/src/evo/notebooks/assets/feedback.js
@@ -0,0 +1,55 @@
+function render({ model, el }) {
+    const root = document.createElement("div");
+    root.className = "evo-row";
+
+    const label = document.createElement("span");
+    label.className = "evo-label";
+
+    const percent = document.createElement("span");
+    percent.className = "evo-percent";
+
+    const progress = document.createElement("div");
+    progress.className = "evo-progress";
+    progress.role = "progressbar";
+
+    const bar = document.createElement("div");
+    bar.className = "evo-progress-bar";
+    progress.appendChild(bar);
+
+    const message = document.createElement("span");
+    message.className = "evo-message";
+
+    root.append(label, percent, progress, message);
+    el.appendChild(root);
+
+    const renderLabel = () => {
+        label.textContent = model.get("label");
+    };
+
+    const renderValue = () => {
+        const value = Math.min(Math.max(model.get("value"), 0), 1);
+        bar.style.width = `${value * 100}%`;
+        percent.textContent = `${(value * 100).toFixed(1).padStart(5)}%`;
+        progress.ariaValueNow = String(Math.round(value * 100));
+    };
+
+    const renderMessage = () => {
+        message.textContent = model.get("message");
+    };
+
+    model.on("change:label", renderLabel);
+    model.on("change:value", renderValue);
+    model.on("change:message", renderMessage);
+
+    renderLabel();
+    renderValue();
+    renderMessage();
+
+    return () => {
+        model.off("change:label", renderLabel);
+        model.off("change:value", renderValue);
+        model.off("change:message", renderMessage);
+    };
+}
+
+export default { render };
diff --git a/packages/evo-sdk-common/src/evo/notebooks/assets/selector.js b/packages/evo-sdk-common/src/evo/notebooks/assets/selector.js
new file mode 100644
index 000000000..7710b3a18
--- /dev/null
+++ b/packages/evo-sdk-common/src/evo/notebooks/assets/selector.js
@@ -0,0 +1,76 @@
+function render({ model, el }) {
+    const root = document.createElement("div");
+    root.className = "evo-row";
+
+    const select = document.createElement("select");
+    select.className = "evo-select";
+    select.id = `evo-select-${Math.random().toString(36).slice(2)}`;
+
+    const label = document.createElement("label");
+    label.className = "evo-label";
+    label.htmlFor = select.id;
+
+    const spinner = document.createElement("img");
+    spinner.className = "evo-spinner";
+    spinner.alt = "";
+
+    root.append(label, select, spinner);
+    el.appendChild(root);
+
+    const renderLabel = () => {
+        label.textContent = model.get("label");
+    };
+
+    const renderOptions = () => {
+        select.replaceChildren();
+        for (const [text, value] of model.get("options") ?? []) {
+            const option = document.createElement("option");
+            option.value = value;
+            option.textContent = text;
+            select.appendChild(option);
+        }
+        select.value = model.get("value");
+    };
+
+    const renderValue = () => {
+        select.value = model.get("value");
+    };
+
+    const renderDisabled = () => {
+        select.disabled = model.get("disabled");
+    };
+
+    const renderLoading = () => {
+        const loading = model.get("loading");
+        spinner.src = loading ? model.get("spinner") : "";
+        spinner.style.display = loading ? "inline-block" : "none";
+    };
+
+    const onChange = () => {
+        model.set("value", select.value);
+        model.save_changes();
+    };
+
+    select.addEventListener("change", onChange);
+    model.on("change:label", renderLabel);
+    model.on("change:options", renderOptions);
+    model.on("change:value", renderValue);
+    model.on("change:disabled", renderDisabled);
+    model.on("change:loading", renderLoading);
+
+    renderLabel();
+    renderOptions();
+    renderDisabled();
+    renderLoading();
+
+    return () => {
+        select.removeEventListener("change", onChange);
+        model.off("change:label", renderLabel);
+        model.off("change:options", renderOptions);
+        model.off("change:value", renderValue);
+        model.off("change:disabled", renderDisabled);
+        model.off("change:loading", renderLoading);
+    };
+}
+
+export default { render };
diff --git a/packages/evo-sdk-common/src/evo/notebooks/assets/service_manager.js b/packages/evo-sdk-common/src/evo/notebooks/assets/service_manager.js
new file mode 100644
index 000000000..4fa2d79c1
--- /dev/null
+++ b/packages/evo-sdk-common/src/evo/notebooks/assets/service_manager.js
@@ -0,0 +1,66 @@
+function render({ model, el }) {
+    const root = document.createElement("div");
+    root.className = "evo-row";
+
+    const logo = document.createElement("img");
+    logo.className = "evo-logo";
+    logo.alt = "Evo";
+    logo.src = model.get("logo");
+
+    const button = document.createElement("button");
+    button.className = "evo-button";
+    button.type = "button";
+
+    const spinner = document.createElement("img");
+    spinner.className = "evo-spinner";
+    spinner.alt = "";
+
+    const message = document.createElement("span");
+    message.className = "evo-message";
+
+    root.append(logo, button, spinner, message);
+    el.appendChild(root);
+
+    const renderButtonText = () => {
+        button.textContent = model.get("button_text");
+    };
+
+    const renderDisabled = () => {
+        button.disabled = model.get("disabled");
+    };
+
+    const renderLoading = () => {
+        const loading = model.get("loading");
+        spinner.src = loading ? model.get("spinner") : "";
+        spinner.style.display = loading ? "inline-block" : "none";
+    };
+
+    const renderMessage = () => {
+        message.textContent = model.get("message");
+    };
+
+    const onClick = () => {
+        model.send({ type: "click" });
+    };
+
+    button.addEventListener("click", onClick);
+    model.on("change:button_text", renderButtonText);
+    model.on("change:disabled", renderDisabled);
+    model.on("change:loading", renderLoading);
+    model.on("change:message", renderMessage);
+
+    renderButtonText();
+    renderDisabled();
+    renderLoading();
+    renderMessage();
+
+    return () => {
+        button.removeEventListener("click", onClick);
+        model.off("change:button_text", renderButtonText);
+        model.off("change:disabled", renderDisabled);
+        model.off("change:loading", renderLoading);
+        model.off("change:message", renderMessage);
+    };
+}
+
+export default { render };
diff --git a/packages/evo-sdk-common/src/evo/notebooks/assets/widgets.css b/packages/evo-sdk-common/src/evo/notebooks/assets/widgets.css
new file mode 100644
index 000000000..851395e65
--- /dev/null
+++ b/packages/evo-sdk-common/src/evo/notebooks/assets/widgets.css
@@ -0,0 +1,85 @@
+.evo-row {
+    display: flex;
+    flex-flow: row wrap;
+    align-items: center;
+    gap: 8px;
+    margin: 5px;
+}
+
+.evo-label {
+    font-family: var(--jp-ui-font-family, sans-serif);
+    font-size: var(--jp-ui-font-size1, 13px);
+    color: var(--jp-ui-font-color1, #212121);
+    min-width: var(--jp-widgets-label-width, 80px);
+}
+
+.evo-select {
+    font-family: var(--jp-ui-font-family, sans-serif);
+    font-size: var(--jp-ui-font-size1, 13px);
+    padding: 3px 6px;
+    min-width: var(--jp-widgets-inline-width, 300px);
+    color: var(--jp-ui-font-color1, #212121);
+    background-color: var(--jp-layout-color1, #ffffff);
+    border: 1px solid var(--jp-border-color1, #bdbdbd);
+    border-radius: 2px;
+}
+
+.evo-select:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+}
+
+.evo-button {
+    font-family: var(--jp-ui-font-family, sans-serif);
+    font-size: var(--jp-ui-font-size1, 13px);
+    color: #ffffff;
+    background-color: #265c7f;
+    border: none;
+    border-radius: 2px;
+    padding: 5px 12px;
+    cursor: pointer;
+}
+
+.evo-button:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+}
+
+.evo-logo {
+    max-height: 26px;
+    margin: 3px;
+}
+
+.evo-spinner {
+    max-height: 26px;
+    margin: 3px;
+}
+
+.evo-message {
+    font-family: var(--jp-ui-font-family, sans-serif);
+    font-size: var(--jp-ui-font-size1, 13px);
+    font-style: italic;
+    color: var(--jp-ui-font-color2, #616161);
+}
+
+.evo-percent {
+    font-family: var(--jp-code-font-family, monospace);
+    font-size: var(--jp-ui-font-size1, 13px);
+    color: var(--jp-ui-font-color1, #212121);
+    white-space: pre;
+}
+
+.evo-progress {
+    width: 400px;
+    height: 14px;
+    background-color: var(--jp-layout-color2, #eeeeee);
+    border-radius: 2px;
+    overflow: hidden;
+}
+
+.evo-progress-bar {
+    height: 100%;
+    width: 0;
+    background-color: #265c7f;
+    transition: width 0.1s linear;
+}
diff --git a/packages/evo-sdk-common/src/evo/notebooks/widgets.py b/packages/evo-sdk-common/src/evo/notebooks/widgets.py
index 9e0c90d01..fff61f208 100644
--- a/packages/evo-sdk-common/src/evo/notebooks/widgets.py
+++ b/packages/evo-sdk-common/src/evo/notebooks/widgets.py
@@ -17,7 +17,8 @@
 from typing import Any, Generic, TypeVar, cast
 from uuid import UUID
 
-import ipywidgets as widgets
+import anywidget
+import traitlets
 from aiohttp.typedefs import StrOrURL
 from IPython.display import display
 
@@ -37,7 +38,7 @@
     DEFAULT_DISCOVERY_URL,
     DEFAULT_REDIRECT_URL,
 )
-from ._helpers import FileName, build_button_widget, build_img_widget, init_cache
+from ._helpers import FileName, asset_data_uri, init_cache, read_asset_text
 from .authorizer import AuthorizationCodeAuthorizer
 from .env import DotEnv
 
@@ -52,25 +53,34 @@
     "WorkspaceSelectorWidget",
 ]
 
+_STYLESHEET = read_asset_text("widgets.css")
+
+
+class DropdownSelectorWidget(anywidget.AnyWidget, Generic[T]):
+    _esm = read_asset_text("selector.js")
+    _css = _STYLESHEET
 
-class DropdownSelectorWidget(widgets.HBox, Generic[T]):
     UNSELECTED: tuple[str, T]
 
+    label = traitlets.Unicode("").tag(sync=True)
+    # Options are serialized to strings because widget state is synchronised to the frontend as JSON.
+    options = traitlets.List(traitlets.List(traitlets.Unicode())).tag(sync=True)
+    value = traitlets.Unicode("").tag(sync=True)
+    disabled = traitlets.Bool(True).tag(sync=True)
+    loading = traitlets.Bool(False).tag(sync=True)
+    spinner = traitlets.Unicode("").tag(sync=True)
+
     def __init__(self, label: str, env: DotEnv) -> None:
         self._env = env
-        self.dropdown_widget = widgets.Dropdown(
-            options=[self.UNSELECTED],
-            description=label,
-            value=self.UNSELECTED[1],
-            layout=widgets.Layout(margin="5px 5px 5px 5px", align_self="flex-start"),
+        unselected_label, unselected_value = self.UNSELECTED
+        super().__init__(
+            label=label,
+            options=[[unselected_label, self._serialize(unselected_value)]],
+            value=self._serialize(unselected_value),
+            disabled=True,
+            spinner=asset_data_uri("loading.gif"),
         )
-        self.dropdown_widget.disabled = True
-        self.dropdown_widget.observe(self._update_selected, names="value")
-
-        self._loading_widget = build_img_widget("loading.gif")
-        self._loading_widget.layout.display = "none"
-
-        super().__init__([self.dropdown_widget, self._loading_widget])
+        self.observe(self._update_selected, names="value")
 
     def _get_options(self) -> list[tuple[str, T]]:
         raise NotImplementedError("Subclasses must implement this method.")
@@ -79,23 +89,24 @@ def _on_selected(self, value: T | None) -> None: ...
 
     @contextlib.contextmanager
     def _loading(self) -> Iterator[None]:
-        self.dropdown_widget.disabled = True
-        self._loading_widget.layout.display = "flex"
+        self.disabled = True
+        self.loading = True
         try:
             yield
         finally:
-            self._loading_widget.layout.display = "none"
-            self.dropdown_widget.disabled = False
+            self.loading = False
+            self.disabled = False
 
     def _update_selected(self, _: dict) -> None:
-        self.selected = new_value = self.dropdown_widget.value
+        self.selected = new_value = self._deserialize(self.value)
         self._on_selected(new_value if new_value != self.UNSELECTED[1] else None)
 
     def refresh(self) -> None:
         logger.debug(f"Refreshing {self.__class__.__name__} options...")
-        self.dropdown_widget.disabled = True
+        self.disabled = True
         selected = self.selected
-        self.dropdown_widget.options = options = [self.UNSELECTED] + self._get_options()
+        options = [self.UNSELECTED] + self._get_options()
+        self.options = [[label, self._serialize(value)] for label, value in options]
         if len(options) == 2 and selected == self.UNSELECTED[1]:
             # Automatically select the only option if there is only one and no missing option was previously selected.
             self.selected = new_value = options[1][1]
@@ -113,7 +124,7 @@ def refresh(self) -> None:
         self._on_selected(new_value if new_value != self.UNSELECTED[1] else None)
 
         # Disable the widget if there are no options to select.
-        self.dropdown_widget.disabled = len(options) <= 1
+        self.disabled = len(options) <= 1
 
     @classmethod
     def _serialize(cls, value: T) -> str:
@@ -131,15 +142,7 @@ def selected(self) -> T:
     @selected.setter
     def selected(self, value: T) -> None:
         self._env.set(f"{self.__class__.__name__}.selected", self._serialize(value))
-        self.dropdown_widget.value = value
-
-    @property
-    def disabled(self) -> bool:
-        return self.dropdown_widget.disabled
-
-    @disabled.setter
-    def disabled(self, value: bool) -> None:
-        self.dropdown_widget.disabled = value
+        self.value = self._serialize(value)
 
 
 _NULL_UUID = UUID(int=0)
@@ -180,7 +183,7 @@ class WorkspaceSelectorWidget(_UUIDSelectorWidget):
     def __init__(self, env: DotEnv, manager: ServiceManager, org_selector: OrgSelectorWidget) -> None:
         self._manager = manager
         super().__init__("Workspace", env)
-        org_selector.dropdown_widget.observe(self._on_org_selected, names="value")
+        org_selector.observe(self._on_org_selected, names="value")
 
     async def refresh_workspaces(self) -> None:
         with self._loading():
@@ -202,14 +205,30 @@ def _get_options(self) -> list[tuple[str, UUID]]:
 T_client = TypeVar("T_client", bound=BaseAPIClient)
 
 
-class _ServiceManagerWidgetMeta(type(widgets.HBox), type(IContext)):
-    """Metaclass that combines ipywidgets and pure interfaces metaclasses."""
+class _ServiceManagerWidgetMeta(type(anywidget.AnyWidget), type(IContext)):
+    """Metaclass that combines anywidget and pure interfaces metaclasses."""
 
     pass
 
 
-class ServiceManagerWidget(widgets.HBox, IContext, metaclass=_ServiceManagerWidgetMeta):
-    def __init__(self, transport: ITransport, authorizer: IAuthorizer, discovery_url: str, cache: ICache) -> None:
+class ServiceManagerWidget(anywidget.AnyWidget, IContext, metaclass=_ServiceManagerWidgetMeta):
+    _esm = read_asset_text("service_manager.js")
+    _css = _STYLESHEET
+
+    logo = traitlets.Unicode("").tag(sync=True)
+    spinner = traitlets.Unicode("").tag(sync=True)
+    button_text = traitlets.Unicode("").tag(sync=True)
+    disabled = traitlets.Bool(False).tag(sync=True)
+    loading = traitlets.Bool(False).tag(sync=True)
+    message = traitlets.Unicode("").tag(sync=True)
+
+    def __init__(
+        self,
+        transport: ITransport,
+        authorizer: IAuthorizer,
+        discovery_url: str,
+        cache: ICache,
+    ) -> None:
         """
         :param transport: The transport to use for API requests.
         :param authorizer: The authorizer to use for API requests.
@@ -226,36 +245,17 @@ def __init__(self, transport: ITransport, authorizer: IAuthorizer, discovery_url
         )
         env = DotEnv(cache)
 
-        self._btn = build_button_widget("Sign In")
-        self._btn.on_click(self._on_click)
+        super().__init__(
+            logo=asset_data_uri("EvoBadgeCharcoal_FV.png"),
+            spinner=asset_data_uri("loading.gif"),
+            button_text="Sign In",
+        )
+        self.on_msg(self._handle_frontend_msg)
+
         self._org_selector = OrgSelectorWidget(env, self._service_manager)
         self._workspace_selector = WorkspaceSelectorWidget(env, self._service_manager, self._org_selector)
 
-        self._loading_widget = build_img_widget("loading.gif")
-        self._loading_widget.layout.display = "none"
-
-        self._prompt_area = widgets.Output()
-        self._prompt_area.layout.display = "none"
-
-        col_1 = widgets.VBox(
-            [
-                widgets.HBox([build_img_widget("EvoBadgeCharcoal_FV.png"), self._btn, self._loading_widget]),
-                widgets.HBox([self._org_selector]),
-                widgets.HBox([self._workspace_selector]),
-            ]
-        )
-        col_2 = widgets.VBox([self._prompt_area])
-
-        super().__init__(
-            [col_1, col_2],
-            layout={
-                "display": "flex",
-                "flex_flow": "row",
-                "justify_content": "space-between",
-                "align_items": "center",
-            },
-        )
-        display(self)
+        display(self, self._org_selector, self._workspace_selector)
 
     @classmethod
     def with_auth_code(
@@ -352,22 +352,24 @@ def cache(self) -> ICache:
 
     def _update_btn(self, signed_in: bool) -> None:
         if signed_in:
-            self._btn.description = "Refresh Evo Services"
+            self.button_text = "Refresh Evo Services"
         else:
-            self._btn.description = "Sign In"
+            self.button_text = "Sign In"
 
-    def _on_click(self, _: widgets.Button) -> asyncio.Future:
-        return asyncio.ensure_future(self.refresh_services())
+    def _handle_frontend_msg(self, _widget: object, content: object, _buffers: list) -> asyncio.Future | None:
+        if isinstance(content, dict) and content.get("type") == "click":
+            return asyncio.ensure_future(self.refresh_services())
+        return None
 
     @contextlib.contextmanager
     def _loading(self) -> Iterator[None]:
-        self._btn.disabled = True
-        self._loading_widget.layout.display = "flex"
+        self.disabled = True
+        self.loading = True
         try:
             yield
         finally:
-            self._loading_widget.layout.display = "none"
-            self._btn.disabled = False
+            self.loading = False
+            self.disabled = False
 
     @contextlib.contextmanager
     def _loading_services(self) -> Iterator[None]:
@@ -378,15 +380,6 @@ def _loading_services(self) -> Iterator[None]:
         finally:
             self._org_selector.refresh()
 
-    @contextlib.contextmanager
-    def _prompt(self) -> Iterator[widgets.Output]:
-        self._prompt_area.layout.display = "flex"
-        try:
-            yield self._prompt_area
-        finally:
-            self._prompt_area.layout.display = "none"
-            self._prompt_area.clear_output()
-
     async def refresh_services(self) -> None:
         with self._loading():
             with self._loading_services():
@@ -459,6 +452,15 @@ def create_client(self, client_class: type[T_client], *args: Any, **kwargs: Any)
         return self._service_manager.create_client(client_class, *args, **kwargs)
 
 
+class _ProgressWidget(anywidget.AnyWidget):
+    _esm = read_asset_text("feedback.js")
+    _css = _STYLESHEET
+
+    label = traitlets.Unicode("").tag(sync=True)
+    value = traitlets.Float(0.0).tag(sync=True)
+    message = traitlets.Unicode("").tag(sync=True)
+
+
 class FeedbackWidget(IFeedback):
     """Simple feedback widget for displaying progress and messages to the user."""
 
@@ -466,11 +468,7 @@ def __init__(self, label: str) -> None:
         """
         :param label: The label for the feedback widget.
         """
-        label = widgets.Label(label)
-        self._progress = widgets.FloatProgress(value=0, min=0, max=1, style={"bar_color": "#265C7F"})
-        self._progress.layout.width = "400px"
-        self._msg = widgets.Label("", style={"font_style": "italic"})
-        self._widget = widgets.HBox([label, self._progress, self._msg])
+        self._widget = _ProgressWidget(label=label)
         self._last_message = ""
         display(self._widget)
 
@@ -482,7 +480,6 @@ def progress(self, progress: float, message: str | None = None) -> None:
         :param progress: A float between 0 and 1 representing the progress of the operation as a percentage.
         :param message: An optional message to display to the user.
         """
-        self._progress.value = progress
-        self._progress.description = f"{progress * 100:5.1f}%"
+        self._widget.value = progress
         if message is not None:
-            self._msg.value = message
+            self._widget.message = message
diff --git a/packages/evo-sdk-common/tests/notebooks/__init__.py b/packages/evo-sdk-common/tests/notebooks/__init__.py
new file mode 100644
index 000000000..bc5bffd31
--- /dev/null
+++ b/packages/evo-sdk-common/tests/notebooks/__init__.py
@@ -0,0 +1,10 @@
+#  Copyright © 2026 Bentley Systems, Incorporated
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#      http://www.apache.org/licenses/LICENSE-2.0
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
diff --git a/packages/evo-sdk-common/tests/notebooks/test_service_manager_frontend.mjs b/packages/evo-sdk-common/tests/notebooks/test_service_manager_frontend.mjs
new file mode 100644
index 000000000..53fd1011c
--- /dev/null
+++ b/packages/evo-sdk-common/tests/notebooks/test_service_manager_frontend.mjs
@@ -0,0 +1,89 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+import test from "node:test";
+
+const source = await readFile(new URL("../../src/evo/notebooks/assets/service_manager.js", import.meta.url), "utf8");
+const { default: { render } } = await import(`data:text/javascript;base64,${Buffer.from(source).toString("base64")}`);
+
+test("renders service manager state and sends clicks to the widget", () => {
+    const elements = [];
+    const handlers = new Map();
+    const messages = [];
+    const values = {
+        logo: "logo-data",
+        spinner: "spinner-data",
+        button_text: "Sign In",
+        disabled: false,
+        loading: false,
+        message: "Ready",
+    };
+    const originalDocument = globalThis.document;
+    globalThis.document = {
+        createElement: (tag) => {
+            const element = {
+                tag,
+                style: {},
+                listeners: new Map(),
+                append(...children) {
+                    this.children = children;
+                },
+                addEventListener(event, callback) {
+                    this.listeners.set(event, callback);
+                },
+                removeEventListener(event, callback) {
+                    assert.equal(this.listeners.get(event), callback);
+                    this.listeners.delete(event);
+                },
+            };
+            elements.push(element);
+            return element;
+        },
+    };
+
+    const model = {
+        get: (key) => values[key],
+        send: (message) => messages.push(message),
+        on: (event, callback) => handlers.set(event, callback),
+        off: (event, callback) => {
+            assert.equal(handlers.get(event), callback);
+            handlers.delete(event);
+        },
+    };
+    let root;
+
+    try {
+        const cleanup = render({ model, el: { appendChild: (element) => { root = element; } } });
+        const [, logo, button, spinner, message] = elements;
+
+        assert.equal(root.className, "evo-row");
+        assert.equal(logo.src, "logo-data");
+        assert.equal(button.textContent, "Sign In");
+        assert.equal(button.disabled, false);
+        assert.equal(spinner.style.display, "none");
+        assert.equal(message.textContent, "Ready");
+
+        button.listeners.get("click")();
+        assert.deepEqual(messages, [{ type: "click" }]);
+
+        values.button_text = "Refresh Evo Services";
+        handlers.get("change:button_text")();
+        values.loading = true;
+        handlers.get("change:loading")();
+        values.message = "Loaded";
+        handlers.get("change:message")();
+        assert.equal(button.textContent, "Refresh Evo Services");
+        assert.equal(spinner.src, "spinner-data");
+        assert.equal(spinner.style.display, "inline-block");
+        assert.equal(message.textContent, "Loaded");
+
+        cleanup();
+        assert.equal(button.listeners.size, 0);
+        assert.equal(handlers.size, 0);
+    } finally {
+        if (originalDocument === undefined) {
+            delete globalThis.document;
+        } else {
+            globalThis.document = originalDocument;
+        }
+    }
+});
diff --git a/packages/evo-sdk-common/tests/notebooks/test_service_manager_widget.py b/packages/evo-sdk-common/tests/notebooks/test_service_manager_widget.py
new file mode 100644
index 000000000..38672bfc8
--- /dev/null
+++ b/packages/evo-sdk-common/tests/notebooks/test_service_manager_widget.py
@@ -0,0 +1,48 @@
+#  Copyright © 2026 Bentley Systems, Incorporated
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#      http://www.apache.org/licenses/LICENSE-2.0
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import tempfile
+import unittest
+from unittest import mock
+
+from anywidget import AnyWidget
+
+from evo.common.interfaces import IContext
+from evo.notebooks import ServiceManagerWidget
+
+
+class TestServiceManagerWidget(unittest.IsolatedAsyncioTestCase):
+    def setUp(self) -> None:
+        self._tmp = tempfile.TemporaryDirectory()
+        self.addCleanup(self._tmp.cleanup)
+        self.widget = ServiceManagerWidget.with_auth_code(client_id="test", cache_location=self._tmp.name)
+        self.addCleanup(self.widget.close)
+
+    def test_is_anywidget_and_context(self) -> None:
+        assert isinstance(self.widget, AnyWidget)
+        assert isinstance(self.widget, IContext)
+
+    def test_sign_in_button_updates_for_auth_state(self) -> None:
+        assert self.widget.button_text == "Sign In"
+
+        self.widget._update_btn(True)
+        assert self.widget.button_text == "Refresh Evo Services"
+
+        self.widget._update_btn(False)
+        assert self.widget.button_text == "Sign In"
+
+    async def test_frontend_click_refreshes_services(self) -> None:
+        with mock.patch.object(self.widget, "refresh_services", new_callable=mock.AsyncMock) as refresh:
+            task = self.widget._handle_frontend_msg(self.widget, {"type": "click"}, [])
+            assert task is not None
+            await task
+
+        refresh.assert_awaited_once()
diff --git a/uv.lock b/uv.lock
index b14423b38..7d3721ba6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -247,6 +247,20 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/da/35/f2287558c17e29fafc8ef3daf819bb9834061cfa43bff8014f7df7f63bdc/anyio-4.14.2-py3-none-any.whl", hash = "sha256:9f505dda5ac9f0c8309b5e8bd445a8c2bf7246f3ce950121e45ea15bc41d1494", size = 125813, upload-time = "2026-07-12T20:29:05.763Z" },
 ]
 
+[[package]]
+name = "anywidget"
+version = "0.11.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "ipywidgets" },
+    { name = "psygnal" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/79/31/0491d707c674b34267f55d96d6a7148e55e7b6718a271686232cf295fbe2/anywidget-0.11.0.tar.gz", hash = "sha256:6695fbef9449cf8c27f421b96c5837aa37f909ec1f60cfa33add333e1b70b169", size = 426999, upload-time = "2026-04-27T23:42:09.576Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/8e/c2/8fec8e8e2eb920cc2280f569144080cd58622a2eda83bfa4c0c354a63264/anywidget-0.11.0-py3-none-any.whl", hash = "sha256:c574d9acc6503ad27b37a9acea48f957a8ba7c9c9876cfcb37898931c098ce9d", size = 317341, upload-time = "2026-04-27T23:42:08.356Z" },
+]
+
 [[package]]
 name = "appnope"
 version = "0.1.4"
@@ -1338,10 +1352,10 @@ jmespath = [
 ]
 notebooks = [
     { name = "aiohttp" },
+    { name = "anywidget" },
     { name = "ipykernel" },
     { name = "ipython", version = "8.39.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.11'" },
     { name = "ipython", version = "9.13.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.11'" },
-    { name = "ipywidgets" },
     { name = "pillow" },
     { name = "python-dotenv" },
 ]
@@ -1350,7 +1364,7 @@ notebooks = [
 dev = [
     { name = "bumpver" },
     { name = "coverage", extra = ["toml"] },
-    { name = "evo-sdk-common", extra = ["aiohttp", "jmespath"] },
+    { name = "evo-sdk-common", extra = ["aiohttp", "jmespath", "notebooks"] },
     { name = "freezegun" },
     { name = "parameterized" },
     { name = "pre-commit" },
@@ -1362,7 +1376,7 @@ notebooks = [
     { name = "jupyter" },
 ]
 test = [
-    { name = "evo-sdk-common", extra = ["aiohttp"] },
+    { name = "evo-sdk-common", extra = ["aiohttp", "notebooks"] },
     { name = "freezegun" },
     { name = "parameterized" },
     { name = "pytest" },
@@ -1371,10 +1385,10 @@ test = [
 [package.metadata]
 requires-dist = [
     { name = "aiohttp", marker = "extra == 'aiohttp'" },
+    { name = "anywidget", marker = "extra == 'notebooks'" },
     { name = "evo-sdk-common", extras = ["aiohttp"], marker = "extra == 'notebooks'", editable = "packages/evo-sdk-common" },
     { name = "ipykernel", marker = "extra == 'notebooks'" },
     { name = "ipython", marker = "extra == 'notebooks'" },
-    { name = "ipywidgets", marker = "extra == 'notebooks'" },
     { name = "jmespath", marker = "extra == 'jmespath'", specifier = ">=1.0.1" },
     { name = "pillow", marker = "extra == 'notebooks'" },
     { name = "pure-interface", specifier = ">=8.0.0" },
@@ -1388,8 +1402,8 @@ provides-extras = ["aiohttp", "notebooks", "jmespath"]
 dev = [
     { name = "bumpver" },
     { name = "coverage", extras = ["toml"] },
-    { name = "evo-sdk-common", extras = ["aiohttp"], editable = "packages/evo-sdk-common" },
     { name = "evo-sdk-common", extras = ["aiohttp", "jmespath"], editable = "packages/evo-sdk-common" },
+    { name = "evo-sdk-common", extras = ["aiohttp", "notebooks"], editable = "packages/evo-sdk-common" },
     { name = "freezegun" },
     { name = "parameterized", specifier = "==0.9.0" },
     { name = "pre-commit" },
@@ -1401,7 +1415,7 @@ notebooks = [
     { name = "jupyter" },
 ]
 test = [
-    { name = "evo-sdk-common", extras = ["aiohttp"], editable = "packages/evo-sdk-common" },
+    { name = "evo-sdk-common", extras = ["aiohttp", "notebooks"], editable = "packages/evo-sdk-common" },
     { name = "freezegun" },
     { name = "parameterized", specifier = "==0.9.0" },
     { name = "pytest" },
@@ -3349,6 +3363,45 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8c/c7/7bb2e321574b10df20cbde462a94e2b71d05f9bbda251ef27d104668306a/psutil-7.2.2-cp37-abi3-win_arm64.whl", hash = "sha256:8c233660f575a5a89e6d4cb65d9f938126312bca76d8fe087b947b3a1aaac9ee", size = 134617, upload-time = "2026-01-28T18:15:36.514Z" },
 ]
 
+[[package]]
+name = "psygnal"
+version = "0.16.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/75/df/2a94607af05d91638646339acfc02d7c865821c21356ddcfef3d6b4c7fb6/psygnal-0.16.1.tar.gz", hash = "sha256:8e30df5e8f2a927191afacd22653924ba5ec54ca00f965f4af3ed38e37b727a9", size = 129789, upload-time = "2026-09-11T08:30:17.813Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/4c/41/8c6fd391455c30d8cf073757d9c08ac691662ba4ae074f4b07f472a25f73/psygnal-0.16.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:c039d992b66b86d7310f6a179190121d4824e02c75cafa65b656248fc371449f", size = 553302, upload-time = "2026-09-11T08:29:27.156Z" },
+    { url = "https://files.pythonhosted.org/packages/e6/a6/3b07e4557702d8510a49d2722777a69cdb4fc95017f27c15cc64c04ab493/psygnal-0.16.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:6b336b7ee156de74de7f4cbed39700fdf2e1f661706db6a4e67bf97f81cc6351", size = 505996, upload-time = "2026-09-11T08:29:29.4Z" },
+    { url = "https://files.pythonhosted.org/packages/6f/3b/aa2c48585852f8216c0c8a4ac5241deb35b7e754783b2ca9c71c34ad61a1/psygnal-0.16.1-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:2a95f80a2bb946658ae4533e38be4abd6bf44b566253bb91b2d3392d885c5308", size = 551462, upload-time = "2026-09-11T08:29:31.098Z" },
+    { url = "https://files.pythonhosted.org/packages/cd/9d/ac4ed784a606d5eecef921c77dbeaf21380dcbed283c8c79dd24217f6b5c/psygnal-0.16.1-cp310-cp310-musllinux_1_2_x86_64.whl", hash = "sha256:72ce4ee30f26d471a7d7929142b516cb6ab186f86ce10793ea1a7e1ebf89ef41", size = 556053, upload-time = "2026-09-11T08:29:32.783Z" },
+    { url = "https://files.pythonhosted.org/packages/f1/53/227378ed893e443c5d4b60313d3fb694f08a4c2d7f1d36176f9781d5ab48/psygnal-0.16.1-cp310-cp310-win_amd64.whl", hash = "sha256:f16f9a8539824b8e46b7b314401c1a25046b667d15b9d524a54b93240f4ea320", size = 416479, upload-time = "2026-09-11T08:29:34.213Z" },
+    { url = "https://files.pythonhosted.org/packages/df/87/1edf89048d8b13f65a5186b5b5d600c1e08bdad5f2f37d7f182ac82ccd25/psygnal-0.16.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:483a3ab1780ce1eda66ed35929a9ec9e5f4bd348b052b612ce7c92302d96d9fe", size = 546088, upload-time = "2026-09-11T08:29:35.687Z" },
+    { url = "https://files.pythonhosted.org/packages/ae/35/ab79b0a719af3b6b8da44bb9ac70d414c696eb58aa0d7f657a48ad681c98/psygnal-0.16.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:9fe09145e3508086e0233e67ab45c19df2b280dea9293bbdedd198b0afe6be3d", size = 500423, upload-time = "2026-09-11T08:29:37.179Z" },
+    { url = "https://files.pythonhosted.org/packages/00/86/566160885cb535ca88041e467cfcde29e42800f6b0dba92ad6b8f47ba44d/psygnal-0.16.1-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:becf3f710c7880a2fda82df22e5156594e862d6291183c83bc0af0464f786cd2", size = 541341, upload-time = "2026-09-11T08:29:38.703Z" },
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