The Community TFS Build Manager is OSS and available on Github. A standalone Windows Application is available there too.
Note that this extension does not support the new TFS 2015 build system. It provides support for managing legacy XAML builds and infra from VS 2015.
05 Mar 2017 (184.108.40.206) - Updated Nuget Refs. Resolve TFS2013 assembly ref bug.
21 Dec 2016 (220.127.116.11) - Updated Nuget Refs. Increased searchbox delay to 3 seconds (from1). Allow empty string parameter updating. Add CleanServer and IDExport tasks to console app
24 Apr 2016 (18.104.22.168) - Resolve TFS 2015 Udpate 2 issue. Add Ability to queue low priority builds
30 Dec 2015 (22.214.171.124) - Initial Version. Which should match functionality in the VS 2013 version (126.96.36.199)