add flow.ci

README.md

@@ -62,6 +62,7 @@ comparison on Wikipedia.
 |[Drone](https://drone.io/) | Continuous Integration service | [Source code](https://github.com/drone/drone) is available. (Community edition is licensed under Apache 2.0) | GitHub, GitLab, Gitea, BitBucket, Google Code, Custom | [Documentation](http://docs.drone.io/) | [Pricing (enterprise)](https://drone.io/enterprise/) - free self hosting | [![Stars](https://img.shields.io/github/stars/drone/drone.svg)](https://github.com/drone/drone) |
 |[Ebert](https://ebertapp.io/) | Ebert does continuous static analysis of your GitHub repositories and delivers it straight to your Pull Requests, helping your team to focus on what's important and deliver better software. | Languages: Apex, C, Clojure, CoffeeScript, CSS, Elixir, Go, Haskell, Haxe, JavaScript, Markdown, PHP, Python, Ruby, SCSS, Shell, Swift, Vim script. | GitHub | [Documentation](https://ebertapp.io/docs) | [100% free for public repositories on GitHub](https://ebertapp.io/#pricing) | |
 |[Evergreen](https://github.com/evergreen-ci/evergreen) | Evergreen is a distributed continuous integration system built by MongoDB. It dynamically allocates hosts to run tasks in parallel across many machines. | | GitHub | [Documentation](https://github.com/evergreen-ci/evergreen/wiki) |  | [![Stars](https://img.shields.io/github/stars/evergreen-ci/evergreen.svg)](https://github.com/evergreen-ci/evergreen) |
+|[flow.ci](https://github.com/flowci) | Self-Hosted, powerful and user-friendly CI/CD server | All Languages, Docker & K8s, High Availability, Parallel Build, Statistic | GitHub, GitLab, Gitee, Gogs | [Documentation](https://github.com/flowci/docs) | [Open Source](https://github.com/flowci/docker-install) | [![Stars](https://img.shields.io/github/stars/flowci)](https://github.com/flowci) |
 |[GoCD](https://gocd.io/) | Open source, on-premises continuous delivery tool. | | Git, Perforce, Mercurial,Subversion, TFS, [Custom](https://gocd.io/plugins) | [Documentation](https://docs.gocd.io/) | [Open Source](https://gocd.io/download) | |
 |[GitLab](https://about.gitlab.com/product/continuous-integration/) | GitLab is a single application for the entire DevOps lifecycle | Languages: everything that can be installed on Linux. Compatible with Linux, Windows, Android and iOS | GitLab, GitHub, Bitbucket | [Documentation](https://docs.gitlab.com/ee/ci/README.html) | [Open Source](https://about.gitlab.com/install/) plus [Free with limitations](https://about.gitlab.com/pricing/#gitlab-com) hosted version | |
 |[GitGud](https://gitgud.io/) | Free & Reliable Git hosting site powered by GitLab | Everything that GitLab does but for free | GitLab, Bitbucket, GitHub, Gitea, Clone by URL | [Documentation](https://docs.gitlab.com/ee/ci/README.html) | [Completely Free](https://gitgud.io/users/sign_in) | |