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Team Foundation Server (TFS) is an Application lifecycle management (ALM) product developed by Microsoft Corporation . It offers clear and adjustable tools to plan and monitor projects and individual tasks, making TFS a perfect choice for both Agile Software Development and Waterfall teams.
Subversion (SVN) is an open-source software versioning and revision control system. It is a centralized system, meaning the file history is kept on the server. It is widely used and has a relatively simple model of usage. Its goal was to work much like the Concurrent Versions System (CVS), but fix the bugs and missing features of CVS. Thus, SVN is a compatible successor to CVS.
Check these documentation materials for more details: