Next generation frontend tooling. It's fast!

interactive Ruby

Power Assert for Ruby

The Go programming language

JavaScript Promiseの本

The yaml.org website

Parsing, analyzing, and comparing source code across many languages

A repository to make changes to the TypeScript Wiki on GitHub

regular expression library

PowerShell for every system!

The Ruby Programming Language

test-unit

power_assert in irb

A proposal to make grouping of array items easier

Status, process, and documents for ECMA-262

Shared TypeScript definitions for Octokit projects

GitHub GraphQL API client for browsers and Node

The all-batteries-included GitHub SDK for Browsers, Node.js, and Deno.

TypeScript-first schema validation with static type inference

The Rust toolchain installer

A Rust compiler front-end for IDEs

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

Tom's Obvious, Minimal Language

Modular and customizable Material Design UI components for the web

Pharo is a dynamic reflective pure object-oriented language supporting live programming inspired by Smalltalk.

The Rubinius Language Platform

Ruby on Rails

Classy web-development dressed in a DSL (official / canonical repo)

golf server

GNU Smalltalk