Open Source Team Chat & Messaging Tools using Dependabot

Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.