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icon of Tox

Tox

stars 2.6Kforks 303

Free encrypted P2P messaging and voice calls, no servers

ChatSecurityPrivacy Tools+5
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icon of Jami

Jami

stars 165forks 56

Free P2P encrypted messaging, calls, and file sharing

ChatFile SharingSecurity+3
icon of Tinode

Tinode

stars 13.3Kforks 2.1K

Self-hosted instant messaging platform for web and mobile apps

ChatSelf HostedAPI Development Tools+5
icon of Jitsi

Jitsi

stars 29.2Kforks 7.9K

Free video conferencing you can self-host with no account needed

VideoChatSelf Hosted+3
icon of Centrifugo

Centrifugo

stars 10.3Kforks 702

Scalable real-time messaging server with WebSocket support

WebSocket ServersAPI InfrastructureSelf Hosted+3
icon of Chatwoot

Chatwoot

stars 30.1Kforks 7.5K

Self-hosted customer support platform with live chat and AI

Customer SupportChatKnowledge Base+4
icon of Mumble

Mumble

stars 8Kforks 1.3K

Free open source low-latency voice chat for gaming teams

ChatSelf HostedSecurity+4
icon of LiveKit

LiveKit

stars 10.5Kforks 3.1K

Real-time voice and video infrastructure on open source WebRTC

AI AgentsAPI InfrastructureDeveloper Framework+5
icon of Mattermost

Mattermost

stars 36.7Kforks 8.6K

Team messaging for security-sensitive teams with air-gap support

ChatSelf HostedWorkflow Automation+3
icon of UnInbox

UnInbox

stars 1.7Kforks 125

Open source collaborative email with shared team inboxes

EmailWorkflow AutomationSelf Hosted+3
icon of Huly

Huly

stars 25.9Kforks 1.9K

One open source workspace to replace Jira, Slack, and Notion

Project ManagementChatKnowledge Management+5
icon of Wire

Wire

stars 2.8Kforks 334

End-to-end encrypted messaging, voice, and file sharing

ChatFile SharingVideo+3