Rocket.Chat
Description: Rocket.Chat is an open-source, self-hosted communication platform that provides team collaboration through chat, video, and audio. With features such as channels, direct messaging, and integrations, Rocket.Chat facilitates real-time communication for teams and communities. Its customization options and extensibility make it suitable for diverse collaboration needs.
Type: software
Pricing: free
Signal
Description: Signal is a free, open source, encrypted messaging and voice calling app. It offers end-to-end encryption for secure communication. With Signal, users can send encrypted messages, make voice and video calls, and share media with individuals or groups.
Type: software
Pricing: Free