Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database. It integrates with a number of different SCM:s including Subversion and Git. It has multi language support and can be extended with the help of plugins. Redmine is licensed under GNU GPL. More info »
Redmine is THE BEST bug tracker and project management tool out there. I have tried a dozen open source and commercial alternatives and Redmine is the best, by far.
ProofHub is flexible project management software. Share documents of any file type and collaborate on changes using ProofHub's inbuilt proofing tool, review designs and graphics quickly.
