Microsoft Visual SourceSafe Alternatives

Git is a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

TortoiseSVN is a really easy to use Revision control / version control / source control software for Windows.

Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive command line interface. Mercurial efficiently handles projects of any size and kind.

Apache Subversion (SVN) is a centralized version control system similar to CVS (Concurrent Versions System) , but based on the concept of change-sets instead.

ZenTao is an open source project management tool, supporting Scrum. It integrates product management, project management, bug management and QA management, etc., covering all lifecycle of software development.

Bazaar is a tool for helping people collaborate. It tracks the changes that you and other people make to a group of files - such as software source code - to give you snapshots of each stage of their evolution.

Darcs is an advanced revision control system, for source code or other files. It is fully distributed, and supports lazy fetching of the remote repository (fetching only what is needed at the time, rather than all history).

The Perforce Software Configuration Management System features comprehensive SCM capabilities built around a scalable client/server architecture. Users can access the Perforce Server through a range of Perforce client software.

AnkhSVN is a Subversion SourceControl Provider for Visual Studio. The software allows you to perform the most common version control operations directly from inside the Microsoft Visual Studio IDE.

Team Foundation Server (commonly abbreviated TFS) is a Microsoft offering for source control, data collection, reporting, and project tracking, and is intended for collaborative software development projects.