Communication Systems (35)

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jitsijitsi-meet

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
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jitsijitsi-videobridge

Jitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i.e., up to hundreds of conferences per server).
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freenetfred

Freenet REference Daemon
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RocketChatRocket.Chat

The ultimate Free Open Source Solution for team communications.
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mattermostmattermost-server

Open source Slack-alternative in Golang and React - Mattermost
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matrix-orgsynapse

Synapse: Matrix reference homeserver
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vector-imelement-web

A glossy Matrix collaboration client for the web.
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mumble-voipmumble

Mumble is an open-source, low-latency, high quality voice chat software.
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LiveHelperChatlivehelperchat

Live Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (whatsapp), Facebook messenger including building a bot.
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chatwootchatwoot

Open-source customer engagement suite, an alternative to Intercom, Zendesk, Salesforce Service Cloud etc.
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sdelementslets-chat

Self-hosted chat app for small teams
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RetroShareRetroShare

RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.
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papercups-iopapercups

Open-source live customer chat
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centrifugalcentrifugo

Scalable real-time messaging server in language-agnostic way. Set up once and forever.
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gotifyserver

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)
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strukturagspreed-webrtc

WebRTC audio/video call and conferencing server.
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chaskiqchaskiq

A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp, etc ...
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Mibewmibew

Mibew Messenger - open-source live support application
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SpectrumIMspectrum2

Spectrum 2 IM transports
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igorantunnode-chat

Chat application built with NodeJS and Material Design
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whitesmithhawkpost

Generate links that users can use to submit messages encrypted with your public key.
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gotifyandroid

An app for creating push notifications for new messages posted to gotify/server.
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Canopmiaou

A chat server with OAuth2 authentication, persistent and searchable history, video and audio, markdown formatting, private and public rooms, stars, votes, embedded games, and many other features
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darkwiredarkwire.io

End-to-end encrypted instant web chat