ProjectPier.org : ProjectPier is a Free, Open-Source, PHP application for managing tasks, projects and teams through an intuitive web interface. It must be downloaded a...
Sourcegraph : Sourcegraph Server is a free, self-hosted code search server that integrates with your code host and supports multi-repository, regexp, and diff searc...
GitLab : GitLab is a web-based Git repository manager with wiki and issue tracking features. GitLab offers hosted accounts similar to GitHub, but also allows i...
OpenProject : OpenProject is a web-based project management system for location-independent team collaboration.
Project management and milestones
Project timelines...
GitPrep is Github clone. you can install portable github system into unix/linux. You can create users and repositories without limitation.