Self-hosted Communication - Custom Communication Systems
Custom Communication Systems enable secure, protocol-based data transmission and reception between disparate systems, facilitating seamless information exchange, collaboration, and remote access through tailored communication architectures.
Rocket.Chat
⭐️ 39.0kTeamchat solution similar to Gitter.im or Slack.
Novu
⭐️ 33.3kSelf-hosted / cloud notification infrastructure for developers.
Mattermost
⭐️ 28.3kPlatform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).
Zulip
⭐️ 20.2kZulip is a powerful, open source group chat application.
Chatwoot
⭐️ 18.9kSelf-hosted customer communication platform (alternative to Intercom & Zendesk).
ntfy
⭐️ 16.9kPush notifications to phone or desktop using HTTP PUT/POST, with Android app, CLI and web app, similar to Pushover and Gotify.
Tinode
⭐️ 11.6kInstant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots.
Element
⭐️ 10.7kFully-featured Matrix client for Web, iOS & Android.
Apprise
⭐️ 10.7kApprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc.
Gotify
⭐️ 10.2kSelf-hosted notification server with Android and CLI clients, similar to PushBullet.
Centrifugo
⭐️ 8.0kLanguage-agnostic real-time messaging (Websocket or SockJS) server.
Screego
⭐️ 6.8kScreego is a simple tool to quickly share your screen to one or multiple people via web browser.
Mumble
⭐️ 6.0kLow-latency, high quality voice/text chat software.
Dendrite
⭐️ 5.4kSecond-generation Matrix homeserver written in Go. It intends to provide an efficient, reliable and scalable alternative to Synapse.
SimpleX Chat
⭐️ 5.4kThe most private and secure chat and applications platform - now with double ratchet E2E encryption.
Typebot
⭐️ 5.1kConversational app builder (alternative to Typeform or Landbot).
Soketi
⭐️ 4.6kSimple, fast, and resilient open-source WebSockets server (drop-in alternative to Pusher).
WorkAdventure
⭐️ 3.9kVirtual office / virtual conference application presented as a 16-bit RPG video game.
Chaskiq
⭐️ 3.0kFull featured live chat, help center and CRM as an alternative to Intercom & Drift, Crisp and others.
TextBelt
⭐️ 2.9kOutgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads.
Tailchat
⭐️ 2.6kNext generation noIM application in your own workspace, not only another Slack/Discord/rocket.chat.
Tox
⭐️ 2.2kDistributed, secure messenger with audio and video chat capabilities.
WBO
⭐️ 1.9kWeb Whiteboard to collaborate in real-time on schemas, drawings, and notes.
Live Helper Chat
⭐️ 1.9kLive Support chat for your website.
RetroShare
⭐️ 1.7kSecured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.