Twitter has recently come up with the idea to open a new Open Source Directory (OSS) probably to contribute to Open Source Development. The projects that it includes are Ruby, scala , Java, C/C++, and other tools.

Link : Twitter(Open Source)

It lists out some of the projects Mentioning

“Twitter loves open source.

Twitter is built on open-source software—here are the projects we have released or contribute to. Also see our engineering blog for more details.

Want to work on stuff like this? Check out our jobs.”

It would be great to hear more from twitter , since they are trying to work out with Developers and Programmers .