CircleCI is #6 in Top 10 Continuous Integration tools

Languages, databases, queues, browsers, deployment, we support all of your tools. If it runs on Linux, then it will work on CircleCI. We'll even be around to help you install your own tools. The best development teams in the world trust us as their continuous integration and delivery solution because of our unmatched support and our ability to scale with them. We're built for teams.