The Ad Filter - A browser extension that replaces shitty ads with good ones.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
The New Paper Text - Fact-first news delivered once a day by text (yes, text)
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Reuters TV - Your personalized TV news service
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.