diff --git a/README.md b/README.md
index 57a54f36..14045a9c 100644
--- a/README.md
+++ b/README.md
@@ -234,6 +234,7 @@ Table of Contents
   * [Pendulums](https://pendulums.io/) - Pendulums is a free time tracking tool which helps you to manage your time in a better manner with an easy to use interface and useful statistics.
   * [Raindrop.io](https://raindrop.io) - Private and secure bookmarking app for macOS, Windows, Android, iOS and Web. Free Unlimited Bookmarks and Collaboration.
   * [riot.im](https://about.riot.im/) — A decentralized communication tool built on Matrix. Group chats, direct messaging, encrypted file transfers, voice and video chats, and easy integration with other services.
+  * [Rocket.Chat](https://rocket.chat/) - Shared inbox for teams, secure, unlimited and open source.
   * [seafile.com](https://www.seafile.com/) — Private or cloud storage, file sharing, sync, discussions. Private version is full. Cloud version has just 1 GB
   * [slack.com](https://slack.com/) — Free for unlimited users with some feature limitations
   * [Spectrum](https://spectrum.chat/) - Create public or private communities for free.