diff --git a/README.md b/README.md
index 1ca16777..33488c1b 100644
--- a/README.md
+++ b/README.md
@@ -1369,6 +1369,7 @@ Software that does not fit in another section.
 - [revealjs](https://revealjs.com) - Framework for easily creating beautiful presentations using HTML. ([Demo](https://revealjs.com/), [Source Code](https://github.com/hakimel/reveal.js)) `MIT` `Javascript`
 - [Revive Adserver](https://www.revive-adserver.com/) - World's most popular free, open source ad serving system. Formerly known as OpenX Adserver and phpAdsNew. ([Source Code](https://github.com/revive-adserver/revive-adserver)) `GPL-2.0` `PHP`
 - [SANE Network Scanning](http://sane-project.org/) - Allow remote clients to access image acquisition devices (scanners) available on the local host. ([Source Code](http://www.sane-project.org/cvs.html)) `GPL-2.0` `C`
+- [Sentinel](https://sentinel.msomi.io) - A multilingual AI content detector (GPTZERO Clone). ([source code](https://github.com/ibnsultan/sentinel)) `MIT` `PHP`
 - [string.is](https://string.is/) - An open-source, privacy-friendly online string toolkit for developers. ([Source Code](https://github.com/recurser/string-is)) `AGPL-3.0` `Nodejs`
 - [Teleport](https://goteleport.com/) - Certificate authority and access plane for SSH, Kubernetes, web applications, and databases. ([Source Code](https://github.com/gravitational/teleport)) `Apache-2.0` `Go`
 - [TeslaMate](https://github.com/adriankumpf/teslamate) - A powerful data logger for Tesla vehicles. `MIT` `Elixir`