Assembla offers Apache Subversion, Git, and Perforce code repositories. Upsource supports connections to repositories in Git, Mercurial, Perforce, and Subversion. Subversion uses the inter-file branching model from Perforce to implement branches and tagging. It supports version control systems like Git, Mercurial, Perforce, and SVN. Support for version control, including Git, Perforce, and Subversion is built in. Git commits are visible to users of other clients as Perforce changelists, and vice versa. The Perforce system can make part or all of its content available as Git repositories. During these years she perforce showed great stoicism and ingenuity. However, the siege proved unsuccessful and the appointment perforce remained only on paper. With the conclusion of the Second World War, Nazi atrocities perforce ended. For more than ten years, Google had relied on Perforce hosted on a single machine. The software was originally developed by Seapine Software, which was acquired by Perforce and rebranded. Perforce Jam was an open-source build system developed by Christopher Seiwald of Perforce Software. Rogue Wave's products are being maintained by Perforce. Other task extensions exist for Perforce, .NET Framework, EJB, and filesystem manipulations.