Differential fuzzer for spreadsheet formula engines: finds, minimizes and files engine incompatibilities as minimal YAML reproducers.
Stateless spreadsheet calculations via HTTP + remote MCP. Formulas instead of code. MCP: https://hyperformula-mcp.handsontable-sandbox.workers.dev/mcp
Classify spreadsheet rows with Jev and see a confidence score on every answer. A Handsontable demo with CSV/Excel import and export.
Desktop spreadsheet in Tauri 2 + React 19: canvas grid, HyperFormula engine, ~120 extra functions, XLSX/CSV I/O
A one-to-one Excel clone for Windows. Opens and saves .xlsx and .csv. Electron, React, HyperFormula.
[WIP / Active Dev] Open-source workspace for structured data, spreadsheets (HyperFormula), & knowledge graphs — Vue 3 + TanStack Query + Rust (Axum + SQLx) + PostgreSQL 16 + Caddy
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