
Codeship
Jenkins
CircleCI
Travis CI
Bamboo
TeamCity
Azure DevOps
Bitrise
Programming Hero
Practice.dev
Tynker
Codédex
ScratchJr
CodeCombat
Free Code Camp
Strive
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Practice.dev - Practice programming for free
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Tynker - Game Worlds for Kids to Learn Programming
Travis CI - Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.
Codédex - The most fun way to learn to code.