Twitter engineers release a lot of open source software and also contribute to their favorite existing projects. The projects listed below are just a sampling of what Twitter releases to the open source community.
Featured Projects
Bootstrap
Bootstrap is a toolkit designed to kickstart development of web applications and sites. It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation and more.
Finagle
Finagle is a library for building asynchronous RPC servers and clients in Java, Scala or any JVM-based language. It powers a good portion of the services that run on the Twitter back-end.
TwUI
TwUI is is a hardware accelerated UI framework for the Mac platform inspired by UIKit. It enables GPU accelerated rendering backed by CoreAnimation and provides a simple MVC framework familiar to iOS developers.
More Twitter open source projects are found on our GitHub organization page.

