The best replacement for jenkins is hudson.

The best alternatives to jenkins are rated as following:
★★★★★  hudson
★★★★★  bamboo
★★★  teamcity
★★  tuneup masters
★★  travis
★★  cruisecontrol
★★  bellsouth
★  buildbot
★  maven
★  jenkins
★  go
★  puppet
★  missouri
★  chef
★  mike barreras
★  travis ci
★  frank molinaro
  david taylor
  tfs
  jordan oliver
  molinaro
  kyle dake
  gradle
  bob gibson
  savannah christian
  rob thomas
  circle ci

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

Other search terms related to jenkins and their ratings are:
★★★★★ maven
★★★ git
★★★ github
★★★ tfs
★★ bitbucket
★★ gradle
★★ tomcat
★★ clearcase
★★ grunt
★ jira
★ gitlab
★ ant
★ andrea bocelli
★ puppet
★ testng
il divo
mormon tabernacle choir
sonar
queen latifah
You have in mind a companion for jenkins and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of jenkins in all years. Click on graph for more.
jenkins
hudson
bamboo