Successor to CruiseControl. Implements modern approach to continous delivery. Centered around whole pipelines not individual jobs.
Ranked in these QuestionsQuestion Ranking
Pro Good traceability of what contributed to a given artifact
GoCD's LEAN value stream UI helps all stakeholders focus on efficient product delivery (instead of collections of technical tasks).
Pro Native support for pipelines
GoCD supports pipelines natively. This way you can build your projects by pipelining them.
Con Need Scripts for everything
Almost all operations are shell based, they are not configurations possible, your CI is as good as your scripting
Con Does not offer many plugins
Since it's relatively new and not very popular, there are few plugins available in GoCD.