Add chitchatter to Communication - Custom Communication Systems (#3283)

README.md

@@ -314,6 +314,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
 - [Chaskiq](https://chaskiq.io) - Full featured livechat, helpcenter and CRM as an alternative to Intercom & Drift, Crisp and others. ([Source Code](https://github.com/chaskiq/chaskiq)) `AGPL-3.0` `Ruby`
 - [Chatwoot](https://www.chatwoot.com) - Self-hosted customer communication platform, an alternative to Intercom & Zendesk. ([Source Code](https://github.com/chatwoot/chatwoot)) `MIT` `Ruby`
 - [Conduit](https://conduit.rs/) - A simple, fast, and reliable chat server powered by Matrix. ([Source Code](https://gitlab.com/famedly/conduit)) `Apache-2.0` `Rust`
+- [Chitchatter](https://chitchatter.im/) - A peer-to-peer chat app that is serverless, decentralized, and ephemeral. ([Source Code](https://github.com/jeremyckahn/chitchatter)) `GPL-2.0` `Nodejs`
 - [Darkwire.io](https://github.com/darkwire/darkwire.io) - End-to-end encrypted instant web chat. `MIT` `Nodejs`
 - [Databag](https://github.com/balzack/databag) - Federated messaging client for the web, supporting text, photos and video. ([Demo](https://databag.coredb.org/#/create)) `Apache-2.0` `Docker`
 - [Element](https://element.io) - Fully-featured Matrix client for Web, iOS & Android. ([Source Code](https://github.com/vector-im/element-web)) `Apache-2.0` `Nodejs`