The following are some of the greatest CI and CD tools:
Jenkins - is a Java-based open source continuous integration platform. It is a cross-platform CI tool that allows for configuration via both the GUI interface and console commands.
TeamCity - is a mature continuous integration server developed by JetBrains. JetBrains has established itself as a leader in the software development field, with WebStrom and ReSharper being used by developers all around the world.
Travis CI - is one of the oldest hosted solutions available, and it has earned the trust of many users. Although it is best known for its hosted solution, it also provides an on-premise counterpart in the form of a corporate package.
DeployBot - simplifies, accelerates, and simplifies deployment without the added complexity of a full CI system. It establishes a simple and uniform approach for the entire team to deploy code anywhere an integration or open interface protocol exists.
Go CD - is the ThoughtWorks company's newest Cruise Control Incarnation. Go is completely free, excluding ThoughWorks' commercial support.