We use this library at GitHub to detect blob languages, highlight code, ignore binary files, suppress generated files in diffs, and generate language breakdown graphs.

software to fetch configuration from network devices and store them

Licensee automates the process of reading LICENSE files and compares their contents to known licenses using a fancy maths.

Build docker packaged apps using chef or shell

Pronto runs analysis quickly by checking only the relevant changes. Created to be used on pull requests, but suited for other scenarios as well. Perfect if you want to find out quickly if branch introduces changes that conform to your styleguide, are DRY, don't introduce security ...

Actionable code coverage - detects untested code blocks in recent changes

Adapter for Gollum to use Rugged (libgit2) at the backend.

Implementation of simple bug prediction hotspot heuristic

Open-source Dropbox using Ruby and Git.

A command-line tool that helps you summarize and pretty-print collaborators in a git repository based on contributions Generates stats like: - Number of files changed by a user - Number of commits by user - Lines of code by a user'

Incremental Git repository deployment

Git repository viewer with a rocking good web interface

Octocatalog-Diff assists with Puppet development and testing by enabling the user to compile 2 Puppet catalogs and compare them. It is possible to compare different branches, different versions, and different fact values. This is intended to be run from a local development environment or ...

The Ruby Gem that Powers Entitlements - GitHub's Identity and Access Management System

Step through local git branches from the command line, keeping or deleting each.

Olelo is a git-based wiki which supports many markup languages, tags, embedded TeX and much more. It can be extended through plugins.

ppl is a command-line address book using vCard & git for storage and synchronisation

Adapter for Gollum to use Rugged (libgit2) at the backend.

Select test cases to run based on changes in committed code

Library for calculating Chef differences between revisions