Jenkins is an open source automation server that enables developers to reliably build, test, and deploy their software.
Ansible
devops
Ansible Collaborative for automation and orchestration.
ArgoCD
Declarative continuous delivery with a fully-loaded UI.
Bitbucket
Git-based source code repository hosting service with built-in CI/CD and collaboration features by Atlassian.
Buildkite
CI platform for delivering software at scale.