A Rails engine that handles credit cards for Authorize.net and Braintree using ActiveMerchant

A simple API for a git server

Diving deep into git with ruby

a local web app, to show local git changes

gitstuff-preview runs a local web server to preview Gitstuff templates

A Sinatra app for loading D3-based visualisations of a local Git repository

A scripting languge to keep it all together.

Glowworm queries and caches feature flags from a central REST server, while balancing quick changes and good performance.

A wallpaper rotation daemon with a browser-based interface.

GreenScreen is a build monitoring tool that is designed to be used as a dynamic Big Visible Chart (BVC) in your work area. It displays the status of builds from one or more build servers on a monitor, so that the team can see the status from anywhere in the room.

Make database queries available via HTTP

A tool for creating version controlled guides for open source projects, based on the Rails Guides framework

Web GUI for controlling Gush workflows

Use hobbit with some template niceties and other conveniences.

Happo, a perceptual diff tool for JS components

Open-source crowdfunding platform

Hbase API Client

Health mode exposes the system metrics via a JSON api. This opens the door for integration with web services.

CI-Joe alike CI system called Heidi.

Hell is an open source web interface that exposes a set of capistrano recipes as a json api, for usage within large teams