Rocket.Chat

Rocket.Chat is a secure, open-source communication platform for teams and organizations. It brings together real-time chat, voice, video, and apps in one place making it a powerful alternative to Discord ans Slack for privacy-conscious teams and mission-critical collaboration.

Key features include:

• Secure Deployments: Supports on-prem, air-gapped, and secure cloud deployments.
• Operational Resilience: Ensures uninterrupted communications in critical scenarios.
• Zero-Trust Security: Used in classified networks with DoD ATO up to IL6.
• Extensible Architecture: Adaptable to unique workflows and mission-critical needs.
• Federated Communications: Enables coordination across military, intergovernmental, and public-private coalitions.
• AI-Powered Conversations: Automates tasks and provides instant insights.
• Full Data Control: Offers self-hosting, encryption, governance, and access controls.

Use cases include Skype for Business Server alternative, command and control, emergency preparedness, and out-of-band communications.