The best replacement for nuget is maven.

The best alternatives to nuget are rated as following:
★★★★★  maven
★★★★  bower
★★★★  chocolatey
★★  npm
★★  myget
★  openwrap

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

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



Google Trends

Scale is based on the average worldwide traffic of nuget in all years. Click on graph for more.
nuget
maven
bower