Embeddable spreadsheet engine - parse, evaluate & mutate Excel workbooks from Rust, Python, or the browser. Arrow-powered, 400+ functions.
Programmable spreadsheet platform with a TypeScript/Rust engine, SDK, and embeddable workbook runtime.
Univer Skill enables AI tools to work directly with spreadsheets, Excel workbooks, and CSV files. Powered by Univer CLI, it brings Git-style diffs, reviews, approvals, and rollbacks to spreadsheet workflows — making human-AI collaboration structured, reviewable, and safe.
Canvas-based spreadsheet engine for React, Vue, Angular. 100K+ rows, zero dependencies, formula engine, real-time collaboration.
A spreadsheet engine you can put anywhere — a deterministic, embeddable Rust engine that reads and writes .xlsx (plus CSV/TSV/PSV) with a WASM canvas editor. Correctness, determinism, and fidelity before performance.
A fast, native, free-for-life spreadsheet for macOS that never connects to the internet. Opens & saves .xlsx; engine built from scratch in TypeScript.
Theory-crafting spreadsheet for Bit Heroes team optimization. 12+ relational data tables, 500+ items, dynamic stat calculation.
Open specification for building modern spreadsheet engines. Defines workbook architecture, formulas, calculation engine, storage, extensions, AI integration, security, and conformance.
Valem — deterministic reactive computation runtime for AI-generated structured data models
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