Gitea!

GitLab is a on-premise or hosted Git repository management tool. It also includes code reviews, issue tracking, wikis, and continuous integration.

Bitbucket is a code hosting site, for the Git and Mercurial version control systems. It provides a fully featured environment for managing development, including a wiki, a powerful issue tracker, and easy collaboration with others.

SourceForge is a web-based source code repository. It acts as a centralized location for software developers to control and manage open source software development. SourceForge repository hosts more than 324,000 projects and has more than 3.4 million registered users, although not all are active. Features include support for CVS, SVN, Bazaar, Git or Mercurial repositories, project wikis, metrics and analysis, access to a MySQL database, and unique sub-domain URLs.

Phabricator is a collection of open source web applications that help software companies build better software.

GitBucket is the easily installable open-source GitHub clone written with Scala.

Kallithea, a free software source code management system supporting two leading version control systems, Mercurial and Git.

GitPrep is a GitHub clone. You can install portable Github system into Unix/Linux. You can create users and repositories without limitation. This is free software.

Gitweb is a Git web interface. It is written in Perl and can be used as a CGI script, or as a mod_perl legacy script (run by ModPerl::Registry handler). It allows browsing a git repository (or a set of git repositories) using a web browser.Using gitweb you can browse directory trees at arbitrary revisions, view contents of files (blobs), see log or shortlog of a given branch, examine commits, commit messages and changes made by a given commit. Gitweb can generate feeds in RSS or Atom format. You can get any given version of a file; if not disabled you can download a snapshot of a given version of a project (project tree at given revision). You can search (if it is not disabled) for commits by an author, added to repository by a comitter, commit with commit message (commit description) which includes some text. »

GitList allows you to browse repositories using your favorite browser, viewing files under different revisions, commit history and diffs. GitList is free and open source software, written in PHP, on top of Silex and the Twig template engine.

Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features.

Host open-source software projects using Subversion or Mercurial for revision control. Google Code also includes a wiki for documentation, issue tracking and file download feature. It is free for Open Source projects that are licensed under one of nine licenses (Apache, Artistic, BSD, GPLv2, GPLv3, LGPL, MIT, MPL and EPL).