Ryan maintains the i18n gem for Ruby, and a smattering of other gems too. He has also written several guides for the Ruby on Rails project over the years, and answers questions on Stack Overflow.

Mike ("flavorjones") has been contributing to open source for two decades. He's notable in the Ruby community, where he maintains Nokogiri and Mechanize along with Loofah and the Rails::Html::Sanitizer toolchain.

Koichi Sasada is a programmer, mainly developing Ruby interpreter (CRuby/MRI).

A member of Ruby core team. I maintains RubyGems, Rake, rdoc, psych, ruby-build, etc. and I'm an administrator of ruby-lang.org and supports to develop the environment of Ruby language.

Maintainer of chruby, ruby-install, bundler-audit, rubygems-tasks, and other libraries. Writer of spicy tweets about software on Twitter.

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Hey there! I'm the steward of a bunch of Ruby, Clojure and Emacs related open-source projects like RuboCop, CIDER, nREPL, Emacs Prelude and Projectile.

Loves creating tools with Rust. Works on lychee, a fast, async link checker.

Almost everything I do is focused on curl and related technologies. curl is one of the most widely used software components ever.

Sponsoring me is a good way to show your interest and to encourage me to create new projects! ❤️

Homebrew is the missing package manager for macOS (or Linux) and a non-profit project run entirely by volunteers.

Support Jayden Seric’s JavaScript, Deno, Node.js, React, and GraphQL related open source projects.

Building humane tools for building apps. Data modeling, validation, transformation, migration, and transport are complex, but they don't need to be complicated.

I'm a Ruby committer who optimizes Ruby's JIT compilers.

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We maintain Vite, a fast and simple build tool for the web. Support our Open Source work.