Rocket.Chat
Self-hosted team chat with voice, video, and omnichannel support
Key differentiator
Rocket
Alternative To
A channel-based messaging platform that brings teams together with real-time communication, file sharing, and extensive app integrations.
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Self-hosted team chat with voice, video, and omnichannel support
Key differentiator
Rocket
Open source Discord alternative with flexible community tools
Key differentiator
It is an open-source, community-driven platform offering flexible chat, economy, and item systems built on Blazor & WebAssembly
Decentralized open source workplace with chat and docs
Key differentiator
It is a decentralized, open-source workplace communication platform powered by XMPP, offering secure and transparent team messaging
Lightweight self-hosted chat server with embeddable widget
Key differentiator
It is a lightweight, self-hostable chat application and framework built with Rust, offering private in-app messaging and AI bot integration
Lightweight self-hosted messaging platform for teams
Key differentiator
It is a lightweight, customizable, and open-source messaging platform focused on user privacy and community building
Free open source Discord reimplementation with full API parity
Key differentiator
It is a free, open-source Discord reimplementation, offering self-hosted, secure communication similar to Slack and Rocket
Self-hosted web-based XMPP chat client for any server
Key differentiator
An open-source, web-based XMPP chat client offering self-hosting, customization, and end-to-end encryption for secure messaging
Self-hosted open source Discord alternative with servers
Key differentiator
Revolt is a self-hosted Discord alternative with servers, channels, voice chat, and bot support, built for community privacy
Open protocol for secure, decentralized messaging and VoIP
Key differentiator
An open protocol for secure, decentralized communication, enabling real-time messaging, VoIP, and data transfer across platforms
Organized team chat with threaded conversations, self-hostable
Key differentiator
An organized team chat app designed for distributed teams, offering features like threaded conversations and powerful search
Team messaging for security-sensitive teams with air-gap support
Key differentiator
Mattermost is a self-hosted team messaging platform with channels, threads, integrations, and workflow automation for security-sensitive organizations
End-to-end encrypted messaging, voice, and file sharing
Key differentiator
A secure collaboration platform offering encrypted messaging, voice, video, and file sharing for privacy-conscious teams and enterprises