handsontable / hyperformula

HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

jiggzson / nerdamer

a symbolic math expression evaluator for javascript

shift-labs-ai / pi-rlm

A pi extension with a single tool: execute, running TypeScript in a persistent Bun evaluator. Files, shell, and subagents are expressed as code rather than as more tools.