Software engineering platform

 Phabricator is an open source collection of web applications which make it
 easier to write, review, and share source code.
 .
 Features:
  * Review Code: Review others' code with Differential
  * Track Bugs: You can keep track of all the defects,
    and problems in your awful software with Maniphest.
  * Browse Source: You can browse source code on the web with Diffusion
  * Wiki: You can write things down in Phriction
  * ... and others