Salt - Fast, scalable and flexible software for data center automation
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Bookmarked - Create, share, and browse curated bookmark collections.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Slack It - A bookmarklet to share links in Slack with one click
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.