Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

A chat app for iOS that never connects to a server

OpenChat: Advancing Open-source Language Models with Imperfect Data

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

fast & lightweight self-hosted messenger