- [ArgoCD](https://argo-cd.readthedocs.io/en/stable/) - Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. ([Source Code](https://github.com/argoproj/argo-cd)) `Apache-2.0``Go`
- [Concourse](https://concourse-ci.org/) - Concourse is a CI tool that treats pipelines as first class objects and containerizes every step along the way. ([Demo](https://ci.concourse-ci.org/), [Source Code](https://github.com/concourse/concourse)) `Apache-2.0``Go`