Self-hosted projects tagged “Messaging”

Appwrite is an open-source backend-as-a-service for building web and mobile apps with authentication, databases, storage, functions, realtime APIs, and messaging.

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Firebase+4

Open-source, self-hosted messaging platform for secure team collaboration with real-time chat, audio calls, screen sharing, and integrations.

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Slack+19

Valkey is an open-source, Redis-compatible key/value datastore optimized for caching, queues, and other real-time workloads, with clustering, replication, and extensibili...

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Redis Cloud+4

EMQX is a high-performance MQTT broker and IoT messaging platform with clustering, security controls, a SQL rules engine, and integrations to databases and event systems.

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EMQX Cloud+3

Tinode is an open source instant messaging platform with a Go backend, web/mobile clients, JSON WebSocket and gRPC APIs, and support for one-to-one and group chat.

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Telegram+13

Eclipse Mosquitto is a lightweight, open-source MQTT broker supporting MQTT 5.0 and 3.1.1, plus client libraries and CLI tools for pub/sub messaging.

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EMQX Cloud+11

Open-source, decentralized messaging network built on a Haskell core with Kotlin Multiplatform and native iOS clients; end-to-end encrypted messaging without user IDs.

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Signal+11

Open-source, Go-based real-time messaging server for pub/sub and live updates; supports WebSocket, SSE, gRPC and brokers (Redis, NATS) with official SDKs.

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Centrifugo Cloud+4

Janus WebRTC Server is a lightweight, general-purpose WebRTC gateway for building real-time audio/video applications via plugins and a JSON-based API.

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Ant Media Server Cloud+2

ejabberd is an Erlang/OTP-based messaging server providing XMPP chat and presence, MQTT broker capabilities for IoT, and SIP services for real-time communications.

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CloudMQTT+11

Open-source product analytics platform with SDKs for mobile, web and desktop; provides dashboards, events, crash reporting, messaging, A/B testing and APIs.

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Mixpanel+19

VerneMQ is a high-performance, distributed MQTT broker for scalable, highly available IoT and M2M messaging, with clustering, TLS, WebSockets, plugins, and integrations.

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HiveMQ Cloud+3

Synapse is a Matrix homeserver implementation for running federated, secure real-time chat and collaboration on your own infrastructure.

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Element Matrix (Hosted)+19

Converse.js is an open-source, client-side web XMPP/Jabber chat app that can run standalone or be embedded into sites, with group chat and OMEMO encryption.

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IRCCloud+19

Ergo is a modern IRC server (ircd) written in Go, with integrated account management, history storage, bouncer-like features, and strong IRCv3 support.

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IRCCloud+12

Openfire is an open source XMPP (Jabber) server for real-time messaging and collaboration, with a web admin console and a plugin ecosystem.

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Cisco Jabber+15

OpenStreetMap is a community-built map of the world with a web interface and APIs for editing, browsing, and accessing open geographic data.

Developer-focused platform for automated, omnichannel messaging (email, SMS, push, WhatsApp) with low-code journeys, segmentation, templates, and self-hosting.

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Customer.io+19

Tox is a decentralized, peer-to-peer communication system for encrypted messaging, voice/video calls, screen sharing, and file transfers without central servers.

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Signal+12

AnyCable is a realtime server for reliable two-way communication over WebSockets and SSE, designed to power chats, notifications, presence, and streaming updates for any...

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Socket.IO Cloud+4

Self-hosted Nextcloud Talk combines chat, video calls and webinars into one secure collaboration app.

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Microsoft Teams+19

Movim is a federated social platform and web-based XMPP client for blogging, chat, communities, and real-time messaging with a responsive cross‑platform interface.

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Element Matrix (Hosted)+15

MongooseIM is an open-source Erlang-based XMPP server designed for large-scale messaging, offering multi-tenant deployment, REST/GraphQL APIs, push, and robust observabil...

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Firebase+4

GPL-licensed SIP server/proxy for carriers, ITSPs, and enterprises, enabling scalable signaling, routing, and application integration.

Self-hosted, lightweight federated messenger with end-to-end encrypted threads and optional WebRTC audio/video calling across independently hosted nodes.

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Signal+19

InspIRCd is a modular, lightweight Internet Relay Chat (IRC) server with a flexible module system, designed for stable and performant IRC network deployments.

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IRCCloud+3

MyBB is a PHP-based, open-source forum platform with plugins, themes, moderation tools, private messaging and multi-database support.

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XenForo Cloud+13

Modern, cross-platform IRC client with a detachable core for persistent connections, multi-client access, and searchable chat backlogs.

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IRCCloud+3

ngIRCd is a free, portable and lightweight IRC server for small/private networks, supporting IPv6, TLS, server linking, and optional PAM authentication.

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IRCCloud+3

A protocol gateway that bridges users across different instant messaging networks using libpurple adapters, enabling cross-network chat and presence.

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Ably Realtime+5