Successor to CruiseControl. Implements modern approach to continous delivery. Centered around whole pipelines not individual jobs.
Ranked in these QuestionsQuestion Ranking
Pro Native support for pipelines
GoCD supports pipelines natively. This way you can build your projects by pipelining them.
Pro Good traceability of what contributed to a given artifact
Con Does not offer many plugins
Since it's relatively new and not very popular, there are few plugins available in GoCD.