The Ruby Programming Language

Simple, efficient background processing for Ruby

💨 Writing Fast Ruby 😍 -- Collect Common Ruby idioms.

A high performance implementation of the Ruby programming language, built on GraalVM.

Go faster, off the Rails - Benchmarks for your whole Rails app

Ruby's bikeshed-proof linter and formatter 🚲

Boot large Ruby/Rails apps faster

Ruby algorithms and data structures. C extensions

Sucker Punch is a Ruby asynchronous processing library using concurrent-ruby, heavily influenced by Sidekiq and girl_friday.

a sampling call-stack profiler for ruby 2.2+

Ruby FFI

A ruby profiler. See https://ruby-prof.github.io for more information.

Real World Rails applications and their open source codebases for developers to learn from

Provides iteration per second benchmarking for Ruby

like strace, but for ruby code

Static type checker for Ruby

🐒 Resiliency toolkit for Ruby for failing fast

Google Cloud Client Library for Ruby

Debugging functionality for Ruby

Detect non-atomic interactions within DB transactions

📏 next generation CRuby profiler

A more helpful way to view differences between complex data structures in RSpec.

a work-in-progress Ruby compiler, written in Ruby and C++

A collection of Rack middleware to support JSON Schema.

Just Another Ruby Debugger. Provide a rich Terminal UI that visualizes everything your need, navigates your program with pleasure, stops at matter places only, reduces manual and mental efforts. Yo…

Ruby Next makes modern Ruby code run in older versions and alternative implementations

Embed Crystal code directly in Ruby

Pretty your exception backtrace.

The wise choice for Ruby memoization

Get suggestions to tune Ruby's garbage collector