Self-hosted projects tagged “Chat”

Ollama is a local LLM runtime that lets you pull, run, and customize models, offering a CLI and REST API for chat, generation, and embeddings.

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OpenAI API+15

Discourse is open-source forum software for community discussion, support, and knowledge sharing, with moderation tools, customization, and built-in chat.

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Flarum Cloud+11

Rocket.Chat is an open-source communications platform for secure team messaging, channels, DMs, voice/video, integrations, and customer omnichannel support.

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Rocket.Chat Cloud+19

Novu is an open-source notifications platform with a unified API, workflow orchestration, and embeddable in-app inbox for email, SMS, push, and chat.

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Novu Cloud+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

Nextcloud is an open-source content collaboration platform providing file sync & share, groupware (calendar, contacts, mail), real-time office editing, chat and video con...

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Google Drive+19

LibreChat is a self-hosted AI chat platform that supports multiple LLM providers, custom endpoints, agents/tools, file and image chat, conversation search, and presets.

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ChatGPT+11

Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.

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Google NotebookLM+16

Self-hostable WebRTC video conferencing with chat, screen sharing, moderation tools, and SDKs for embedding meetings into web and mobile apps.

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Zoom+12

Open-source team chat server with topic-based threading for focused, asynchronous, and real-time communication in distributed teams.

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Zulip Cloud+19

Huly is an open-source all-in-one platform combining project management, team chat, and collaborative documentation as an alternative to tools like Jira, Linear, Slack, a...

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Linear+19

Etherpad is a web-based real-time collaborative editor with chat, rich-text formatting, and a plugin framework for customization and integrations.

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Etherpad Cloud+9

Lila is the open source server behind lichess.org, providing real-time chess, puzzles, analysis, tournaments, teams, and community features via web and mobile clients.

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Chess.com

Leon is an open-source personal assistant that runs on your server, enabling privacy-focused automation through modular skills with text and optional voice interaction.

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Amazon Alexa+6

Neko is a self-hosted virtual browser/desktop streamed over WebRTC, enabling low-latency remote access and multi-user collaborative sessions in Docker.

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Hyperbeam+10

NodeBB is a modern forum platform with real-time discussions, built-in chat, SSO options, plugins, and flexible theming, backed by Redis, MongoDB, or PostgreSQL.

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Discourse+14

Lemmy is a federated, self-hostable link aggregator and forum platform for creating Reddit-like communities with voting, comments, moderation tools, and ActivityPub feder...

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Reddit+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

Element is a Matrix client for secure team messaging and collaboration, offering end-to-end encrypted chats and calls with interoperability across the Matrix network.

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Element Matrix (Hosted)+19

Owncast is a self-hosted live streaming server that supports RTMP ingest, HLS playback, and built-in web chat, with optional Fediverse (ActivityPub) integration.

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YouTube+12

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

Self-hostable visual builder for chatbots and conversational forms, embeddable on websites and apps with integrations, branching logic, and real-time results analytics.

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ChatBot.com+9

BigBlueButton is an open-source virtual classroom and web conferencing platform with real-time audio/video, screen sharing, whiteboards, breakout rooms, polling, and reco...

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Zoom+14

Mumble is an open-source, low-latency VoIP voice chat platform with a desktop client and a self-hosted server for encrypted group communication.

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Skype+4

Open-source tool to share files, host websites, and chat privately over the Tor network; available as desktop GUI, CLI, and mobile apps.

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Send Anywhere+8

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

Spacebar is an open source, self-hostable Discord-compatible communication platform with text chat, voice, and video, designed to work with existing clients and bots.

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Discord+19

Self-hosted web-based IRC client with multi-user support, persistent connections, and a responsive UI for desktop and mobile.

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The Lounge Cloud+3

Open source, web-based helpdesk for managing customer support tickets across multiple channels like email, chat, phone, and social media.

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Zendesk+19

Open-source, local-first Slack and Notion alternative combining team chat, rich docs, databases, and file management with offline-first sync and self-hosting.

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Notion+19