diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -345,6 +345,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
 - [Revolt](https://revolt.chat/) - Revolt is a user-first chat platform built with modern web technologies. ([Source Code](https://github.com/revoltchat/revolt)) `AGPL-3.0` `Rust`
 - [Rocket.Chat](https://rocket.chat/) - Teamchat solution similar to Gitter.im or Slack. ([Source Code](https://github.com/RocketChat/Rocket.Chat)) `MIT` `Nodejs`
 - [Screensy](https://github.com/screensy/screensy) - Simple peer-to-peer screen sharing solution for sharing your screen with WebRTC. ([Demo](https://screensy.stef.link)) `GPL-3.0` `Nodejs`
+- [Shared-Secrets](https://github.com/syseleven/shared-secrets) - Shared-Secrets is an application that helps you to simply share one-time secrets over the web. ([Demo(https://secrets.syseleven.de/)]) `BSD-3-Clause` `PHP`
 - [Shhh](https://github.com/smallwat3r/shhh) - Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates. `MIT` `Python`
 - [SimpleX Chat](https://github.com/simplex-chat/simplex-chat) - The most private and secure chat and applications platform - now with double ratchet E2E encryption. `AGPL-3.0` `Haskell`
 - [Soketi](https://soketi.app/) - Soketi is a free, open-source Pusher drop-in alternative. ([Source Code](https://github.com/soketi/soketi)) `MIT` `Nodejs`