Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Stupid Chat - World's newest Anonymous Social Network
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Sarahah - Sarahah is a Social Networking Application for providing anonymous feedback launched in 2016 and available to use on iOS and Android platforms.