IronCalc

Developer Productivity

A modern, work‑in‑progress spreadsheet engine and toolkit written in Rust for use across languages and platforms

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Rust Latest v0.7.1 · 4mo ago Security brief →

Features

Rust‑based spreadsheet engine supporting multiple language bindings (Python, JS/Wasm, Node.js, etc.)
Read/write XLSX files via built‑in reader/writer components
Provides a web UI preview at https://app.ironcalc.com and can be run locally with Docker or compiled directly

Recent releases

View all 2 releases →

v0.7.1 Bug fix 4mo

Fixed date parsing with dot separators, locale-specific currency formatting, case-sensitive sheet renaming, and DATABASE function date parsing.

View release on GitHub

v0.7.0 New feature 4mo

Notable features

Mathematical functions (GCD, LCM, DEGREES, RADIANS)
Database functions support
Formula parsing improvements

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The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

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Releases

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Releases per month

Cadence 0.0 / wk

Last release 129d

Tracked 2

Security

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Security score 4.0/10

OpenSSF —

Open CVEs 0

SBOM Active maintainer

Community

GitHub stars 3,943

Forks 148

Open issues 186

Open PRs 19

Stars/wk velocity 0.0

HN peak 726

About

Stars

3,943

Forks

148

Languages

Rust TypeScript CSS

Downloads/week

151 ↓77%

NPM Maintainers

Contributors

TypeScript

Types included ✓

View on GitHub View on npm Homepage Live demo Documentation

Install & Platforms

Install via

docker-compose cargo

Community & Support

Discord