LightReview - Simple, but powerful code review system for small teams.
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.
Upsource - Upsource provides unified access to all your projects stored in Git, Perforce, Mercurial or Subversion.
highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.
Atlassian Crucible - Collaborative peer code review tool.
Bootstrap Table - Bootstrap Table has been designed to reduce development time and to require no specific knowledge from developers.