docs: Add ADOPTERS.md file with first entries

ADOPTERS.md

@@ -0,0 +1,43 @@
+# `urunc` Adopters
+
+This is a list of organizations that have publicly shared that they use
+`urunc`. If your organization uses `urunc`, we would love to hear about it.
+Adding yourself to this list helps the project grow and lets others learn from
+your experience.
+
+## Adding your organization
+
+Open a pull request that adds a row to the table below. Please:
+
+- only add an organization you represent. Do not add entries on behalf of
+  others,
+- keep the table in alphabetical order by organization name,
+- pick one of the [adopter types](#adopter-types) listed below,
+- briefly describe how you use `urunc` (e.g. which unikernels or VM/Sandbox
+  monitors, Kubernetes or plain containerd, production or evaluation).
+
+If you prefer not to open a PR, reach out to the maintainers on the
+[Slack channel](https://cloud-native.slack.com/archives/C08V201G35J) or the
+[maintainers' mailing list](mailto:cncf-urunc-maintainers@lists.cncf.io) and we
+will add you.
+
+## Adopters
+
+| Organization | Type | Since | Use case |
+| ------------ | ---- | ----- | -------- |
+| [brig.sh](https://www.brig.sh/) (by NOFire AI) | Vendor | 2026 | A microVM-based sandbox for AI agents, available as open source and as a commercial offering, using `urunc` to create Linux-based sandboxes over cloud-hypervisor and hvi. |
+| [NOFire AI](https://www.nofire.ai/) | End user | 2026 | All deployments of the NOFire AI service run over `urunc`, as Linux-based microVMs using cloud-hypervisor in the production Kubernetes cluster. |
+<!--
+Example entry:
+| [Example Inc.](https://example.com) | End user | 2025 | Runs Unikraft unikernels with Firecracker as Kubernetes pods for multi-tenant serverless functions. |
+-->
+
+## Adopter types
+
+- **End user**: An organization that uses `urunc` in its own infrastructure,
+  in production or in an evaluation that is moving toward production.
+- **Vendor**: An organization that ships `urunc` as part of a product or
+  service offered to others.
+- **Integration**: A project or product that integrates with `urunc` (e.g. a
+  unikernel framework, a VM/Sandbox monitor, a platform or tool that deploys
+  `urunc`).

README.md

@@ -202,6 +202,11 @@ connected with the project team and other contributors.
 - Invitation: [link](https://zoom-lfx.platform.linuxfoundation.org/meeting/91431746302?password=92a8b698-8d9d-43d3-9037-450804362208&invite=true)
 - [Slack channel](https://cloud-native.slack.com/archives/C08V201G35J)
 
+## Adopters
+
+See [ADOPTERS.md](ADOPTERS.md) for organizations using `urunc`. If you use
+`urunc`, please consider adding yourself to the list.
+
 ## Contributing
 
 We will be very happy to receive any feedback and any kind of contributions for

docs/index.md

@@ -65,6 +65,12 @@ Sandbox monitors, along with the unikernels that can run on top of them.
 
 <!-- ## urunc and the CNCF -->
 
+## Adopters
+
+See [ADOPTERS.md](https://github.com/urunc-dev/urunc/blob/main/ADOPTERS.md) for
+organizations using `urunc`. If you use `urunc`, please consider adding
+yourself to the list.
+
 ## Community and Meetings
 
 Join us for our monthly open meetings, held every last Wednesday of the month.