Alchemy is the Open Source Rails CMS framework for the component based web that can be used as classic server side rendered or headless CMS.

Lua base64 decoder/encoder

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

YARD is a Ruby Documentation tool. The Y stands for "Yay!"

Crystal ORM using ActiveRecord pattern with flexible query DSL

Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.

Acceptance test framework for web applications

The tiniest and the fastest library for terminal output formatting with ANSI colors

The Ruby Programming Language

The wise choice for Ruby memoization

File Attachment toolkit for Ruby applications

Fast, Nimble PDF Writer for Ruby

Process your uploads in the background by uploading directly to S3

Provides UI for testing frameworks such as mocha, jasmine and jest which allows to define lazy variables and subjects.

Mochi is a authentication shard inspired by devise. Mochi is designed for the Amber framework with support for both Granite & Jennifer ORM's.

factory for building JavaScript objects, mostly useful for setting up test data. Inspired by factory_girl

Ruby enVironment Manager (RVM)

A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design

Squasher - squash your old migrations in a single command

Database for the D&D 5th Edition API

Memoize your methods.

Use ActiveRecord transactional callbacks outside of models, literally everywhere in your application.

Rimworld Hardcore SK project, our discord server:

Small ERB Implementation

Tinyscript is a very simple scripting language for microcontrollers with limited memory.

Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.

Ruby bindings for Z3 constraint solver library

Interactive console for Crystal programming language

File Attachment toolkit for Crystal applications. Heavily inspired by Shrine for Ruby.