Open-source real-time software
27 open-source libraries, tools and applications tagged real-time, ranked by how closely real-time is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
27 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| AppFlowy AppFlowy is an open‑source, AI‑enhanced collaborative workspace that combines note‑taking, project management, and wiki features. It offers… | 94 | 77167 | active |
| tldraw tldraw is a TypeScript SDK for building infinite canvas applications in React. It provides drawing, diagramming, and real‑time multiplayer … | 93 | 50683 | active |
| Discourse Discourse is an open‑source, Ruby‑on‑Rails based community platform for discussion forums, Q&A, and real‑time chat. It can be self‑hosted o… | 83 | 47962 | active |
| Rocket.Chat Rocket.Chat is an open‑source, secure communications platform that provides real‑time messaging, voice, video and collaboration tools. It c… | 92 | 46207 | active |
| Outline Outline is an open‑source, real‑time collaborative knowledge base and wiki built with React and Node.js. It provides a markdown‑compatible … | 97 | 40868 | active |
| Nextcloud Nextcloud is a self‑hosted cloud platform that provides file storage, synchronization, and collaborative tools. It runs on PHP and can be d… | 95 | 37162 | active |
| block/buzz Buzz is a self-hostable team workspace where humans and AI agents collaborate in shared rooms, built on a Nostr relay where every message, … | 79 | 36110 | active |
| Huly Huly is an open‑source, all‑in‑one platform that combines project management, issue tracking, chat, CRM, HR and ATS features. It can be sel… | 94 | 27912 | active |
| Neko Neko is a self‑hosted virtual browser that runs inside Docker containers and streams the UI via WebRTC. It enables multiple users to share … | 95 | 22529 | active |
| Etherpad Etherpad is a self‑hosted, real‑time collaborative document editor built with Node.js. It preserves every keystroke, attributes authorship,… | 99 | 18586 | active |
| colanode/colanode Colanode is an open-source, local-first collaboration workspace combining real-time chat, rich-text pages/wikis, customizable databases, an… | 66 | 5163 | active |
| jsfiddle/togetherjs TogetherJS is a free, open-source JavaScript library by Mozilla that adds real-time collaboration features to any website via a copy-paste … | 75 | 6998 | maintenance |
| alookai/alook Alook is a Discord-style collaboration workspace where humans and local AI coding agents (Claude Code, Codex, Cursor, OpenCode) share rooms… | 79 | 1426 | active |
| spolu/warp Warp is a Go-based CLI tool for securely sharing a live terminal session with others via a simple `warp open` command. Clients connect read… | 23 | 1618 | maintenance |
| linagora/Twake Twake is a secure open-source collaboration platform (digital workplace) offering team chat, file storage, shared calendars, task managemen… | 49 | 1921 | abandoned |
| pusher/atom-pair AtomPair is an Atom editor package that enables real-time remote pair programming by synchronizing editor tabs and syntax highlighting betw… | 23 | 1433 | abandoned |
| Zulip Zulip is an open-source team chat application with unique topic-based threading that combines the best of email and real-time chat. It incl… | 93 | 25994 | stable |
| Etherpad Etherpad is a self-hosted, real-time collaborative rich-text document editor where every keystroke is attributed to an author and every rev… | 99 | 18586 | active |
| plankanban/planka PLANKA is a self-hosted, Kanban-style project management application for teams, built with JavaScript, React, and Node.js and deployable vi… | 94 | 12579 | active |
| hackmdio/codimd CodiMD is a self-hosted, open-source web application for real-time collaborative markdown note editing, built from the HackMD source code. … | 42 | 10156 | active |
| humhub/humhub HumHub is an open-source (AGPLv3) enterprise social network and intranet collaboration platform written in PHP on the Yii2 framework. It of… | 95 | 6751 | stable |
| openagents-org/openagents OpenAgents is an open-source platform (Apache-2.0) for building, connecting, and orchestrating collaborative multi-agent AI systems. It com… | 84 | 4227 | active |
| miroslavpejic85/mirotalksfu MiroTalk SFU is a self-hosted, open-source WebRTC video conferencing platform built on the Mediasoup SFU architecture, positioning itself a… | 77 | 3126 | active |
| Sync-in Sync-in Server is a self-hosted, open-source (AGPL-3.0) platform for file storage, sharing, synchronization, and team collaboration, writte… | 85 | 1914 | active |
| spacedeck/spacedeck-open Spacedeck Open is a free, open-source, web-based collaborative whiteboard application with rich media support, originally a commercial SaaS… | 75 | 1139 | active |
| Public Lab Plots2 plots2 is the Ruby on Rails content management system powering PublicLab.org, combining a research blog, wiki, Q&A portal, and tagging-base… | 44 | 1023 | active |
| kodbox KodExplorer (and its successor kodbox) is a PHP-based, self-hosted web file manager with a Windows-like interface that also functions as a … | 95 | 3352 | maintenance |
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