Create Rails projects without Ruby installed

A Git-compatible VCS that is both simple and powerful

BiTemporal Data Model for ActiveRecord

Ruby on SQLite

WIP

Oaken upgrades your development seeds, lets you reuse them in tests & blends the best of fixtures & factories into one cohesive whole.

💎💨 Next-gen very fast Ruby tooling

🛡️🐶 GitHub Action to check TypeScript errors with tsc and ReviewDog, enforcing error thresholds and incremental type safety.

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data 📊

Copybara: A tool for transforming and moving code between repositories.

I 7440 tsi – the teensy‑weensy Ruby Rack server, static asset server, reverse proxy, API gateway, and fiber scheduler!

A DSL for building fun, high-performance DNS servers.

UDEV Gothic は、ユニバーサルデザインフォントのBIZ UDゴシックと、 開発者向けフォントの JetBrains Mono を合成した、プログラミング向けフォントです。

🌈 React for interactive command-line apps

NetHttp2 is an HTTP/2 client for Ruby.

mimalloc is a compact general purpose allocator with excellent performance.

おじさんがLINEやメールで送ってきそうな文を生成する

Splits test files into multiple groups to run tests in parallel nodes

The automatic indexer for Postgres

Support for `DISTINCT ON` statements when querying with ActiveRecord

A Rails engine that provides mechanisms for processing datasets ranging from 1 million to several billion records.

Comment-as-command for one-off codemod with ESLint.