TreeScale is a technology that allows building real-time PubSub applications with highly-scalable architecture, using Math Tree/Graph-based scalability instead of standard horizontal scalability.
Mergify is an automation service that merges GitHub pull request automatically. Defines your rules, and as soon as your code is ready to be merged, it'll be by Mergify. No need to do that manually anymore.
Better Code Hub is a web-based source code analysis service that checks a codebase for compliance with the ten guidelines presented in Building Maintainable Software. Better Code Hub is free for open source and has a paid plan for private repos via the GitHub Marketplace.