diff --git a/README.md b/README.md
index a08d8d7..b131228 100644
--- a/README.md
+++ b/README.md
@@ -195,6 +195,7 @@ _Related: [IT Asset Management](#it-asset-management)_
 - [Laminar](https://laminar.ohwg.net) - Fast, lightweight, simple and flexible Continuous Integration. ([Source Code](https://github.com/ohwgiles/laminar)) `GPL-3.0` `C++`
 - [PHP Censor](https://github.com/php-censor/php-censor) - Open source self-hosted continuous integration server for PHP projects. `BSD-2-Clause` `PHP`
 - [PHPCI](https://www.phptesting.org/) - Free and open source continuous integration specifically designed for PHP. ([Source Code](https://github.com/block8/phpci)) `BSD-2-Clause` `PHP`
+- [Semaphore](https://semaphore.io) - The Open Source CI/CD Platform. ([Source Code](https://github.com/semaphoreio/semaphore)) `Apache-2.0` `Elixir`
 - [Strider](https://strider-cd.github.io/) - Open Source Continuous Deployment / Continuous Integration platform. ([Source Code](https://github.com/Strider-CD/strider)) `MIT` `Nodejs`
 - [Terrateam](https://terrateam.io) - GitOps-first automation platform for Terraform and OpenTofu workflows with support for self-hosted runners. ([Source Code](https://github.com/terrateamio/terrateam)) `MPL-2.0` `OCaml/Docker`
 - [werf](https://werf.io/) - Open Source CI/CD tool for building Docker images and deploying to Kubernetes via GitOps. ([Source Code](https://github.com/werf/werf)) `Apache-2.0` `Go`