The best replacement for tfs build is msbuild.

The best alternatives to tfs build are rated as following:
★★★★★  msbuild
★★★  teamcity

Your alternative for tfs build is not listed? Suggest!
Speaking about tfs build, one probably shouldn't forget about nuget.

Other search terms related to tfs build and their ratings are:
★★★★★ nuget
You have in mind a companion for tfs build and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tfs build in all years. Click on graph for more.
tfs build
msbuild
teamcity