GitHub is a web-based hosting service for projects that use the Git revision control system. It is written in Ruby on Rails by Logical Awesome developers Chris Wanstrath, PJ Hyett, and Tom Preston-Werner.

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

Code collaboration version control. Offers hosted (freemium) for limited (5) users, and a commercial self-hosted for a subscription. Free licenses are available for qualified open source projects, nonprofits, and classrooms.

SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS X and Linux.

A powerful Mac and Windows client for Mercurial and Git distributed version control systems. SourceTree strips away the complexity of DVCS and makes it usable for mere mortals.

Plesk is the leading WebOps platform to run, automate and grow applications, websites and hosting businesses in more than 32 languages across 140 countries in the world.

SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers so you always keep control on your data.

TortoiseGit is a Windows Shell Interface to Git and based on TortoiseSVN. It's open source and can fully be build with freely available software.

The easiest, fastest, and most painless way of setting up a self-hosted Git service. With Go, this can be done with an independent binary distribution across ALL platforms that Go supports, including Linux, Mac OS X, Windows and ARM.

GitHub Desktop is a native Git client for Mac OS X and Windows with a graphical user interface. .

Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2010/2012/2013/2015/2017). Linux is supported by 2.51 version with some issues.

Gitorious is a code hosting service under the Free Software GNU AGPL license. Gitorious is a great way of collaborating on distributed open source projects.

Tuleap is the first fully libre and open source software (GPL licence) for Enterprise Application Lifecycle Management. Tuleap is provided by the Enalean company and the community members.

Git for Windows focuses on offering a lightweight, native set of tools that bring the full feature set of the Git SCM to Windows while providing appropriate user interfaces for experienced Git users and novices alike.

gitg is a git repository viewer targeting gtk+/GNOME. One of its main objectives is to provide a more unified user experience for git frontends across multiple desktops.

Tower is a native desktop Git client for both macOS and Windows.

Online Workspaces to manage tasks, teams, code and client projects all in one place.

DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear. * Integrates with Windows Explorer; adds a shortcut to the context menu.

GitBucket is the easily installable open-source GitHub clone written with Scala. It provides GitHub like UI and features such as Git repository hosting via HTTP and SSH, repository viewer, issues, wiki and pull request.

Gitea is a community managed fork of Gogs, lightweight code hosting solution written in Go and published under the MIT license.

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

CodePlex is Microsoft's open source project hosting web site. Start a new project, join an existing one, or download software created by the community.

git-cola is a powerful GUI for git, a distributed revision control system. cola's ingredients include git-python and jsonpickle. cola is released under the GNU GPL v2.

Backlog is a project management and collaboration tool for teams that want higher productivity, greater visibility, and simple project tracking.

RabbitVCS is a set of graphical tools written to provide simple and straightforward access to the version control systems you use.