Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
NextDNS - Block ads, trackers and malicious websites on all your devices.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.