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Orchestrate sandboxed coding agents in TypeScript with sandcastle.run()

TypeScript 7,355 747 Updated Jun 29, 2026

Interactor provides a common interface for performing complex user interactions.

Ruby 3,460 212 Updated Jul 10, 2025

🦀 Small exercises to get you used to reading and writing Rust code!

Rust 63,857 11,248 Updated Aug 11, 2026

Postgres CLI with autocompletion and syntax highlighting

Python 13,348 602 Updated Aug 3, 2026

Stock options, RSUs, taxes — read the latest edition: www.holloway.com/ec

11,493 534 Updated Jun 2, 2026

Simple, but flexible HTTP client library, with support for multiple backends.

Ruby 5,948 1,028 Updated Aug 12, 2026

Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

Ruby 2,193 220 Updated Aug 12, 2026

A community-driven Ruby on Rails style guide

6,506 1,049 Updated Jul 21, 2026

A community-driven Ruby coding style guide

16,553 3,341 Updated Jul 20, 2026

A list of cool features of Git and GitHub.

58,476 5,440 Updated Apr 15, 2024

🔗 Some useful websites for programmers.

76,287 8,555 Updated Sep 16, 2025

Create struct-like classes that don't have setters, but have an awesome constructor.

Ruby 171 7 Updated Jul 30, 2026

A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

Crystal 2,602 205 Updated Aug 12, 2026

The Crystal Programming Language

Crystal 20,371 1,693 Updated Aug 12, 2026

A micro library providing Ruby objects with Publish-Subscribe capabilities

Ruby 3,330 154 Updated Aug 15, 2024

A static analysis security vulnerability scanner for Ruby on Rails applications

Ruby 7,261 774 Updated Aug 12, 2026

Track changes to your rails models

Ruby 7,029 910 Updated May 8, 2026

Native Ruby extensions without fear

Rust 1,995 58 Updated Oct 23, 2020

$HOME sweet ~/

Shell 378 31 Updated Nov 10, 2025

Take a peek into your Rails applications.

Ruby 3,175 144 Updated Apr 26, 2024

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

TypeScript 453,907 45,951 Updated Aug 13, 2026

Examples of how to do query, style, dom, ajax, event etc like jQuery with plain javascript.

JavaScript 20,146 1,708 Updated Aug 5, 2026

Hunting down random test failures can be very very difficult, sometimes impossible, but minitest-bisect makes it easy.

Ruby 125 11 Updated Mar 24, 2026
Elixir 1 Updated Jan 27, 2017

Set up a modern web app by running one command.

JavaScript 103,318 26,929 Updated Feb 15, 2025

Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more

Go 25,519 933 Updated Aug 12, 2026

Boot any rails app in under a second.

Go 3,319 222 Updated May 13, 2026

Make your diffs human readable for improved code quality and faster defect detection. 🎉

Perl 18,082 347 Updated Aug 11, 2026

💊 A git query language

Go 6,293 160 Updated Oct 14, 2024

Generate and validate coupon codes.

Ruby 62 15 Updated Oct 23, 2024
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