Self-hosted projects built with WebSocket

Supabase is an open source Postgres development platform providing authentication, auto-generated REST/GraphQL APIs, realtime subscriptions, edge functions, file storage, and vector embeddings.

Apache-2.0Actively maintained

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Firebase+10

Open-source platform to control smart home devices, build automations and dashboards, with broad third-party integrations and local-first privacy.

Apache-2.0Actively maintained

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Google Home+15

Dockge is a self-hosted, stack-oriented manager for Docker Compose files, providing a responsive web UI to edit, deploy, update, and monitor compose.yaml stacks.

MITActively maintained

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Portainer Business Edition (Portainer Cloud)+15

Open-source, browser-based low-code platform and Node.js runtime for wiring devices, APIs and services into event-driven flows for automation, IoT and integrations.

Apache-2.0Actively maintained

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IFTTT+13

Open-source Python framework to build, scale, and deploy multimodal AI services and pipelines with gRPC/HTTP/WebSocket support and Kubernetes/Docker integration.

Apache-2.0Slowing down

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Baseten+12

Snapdrop is a progressive web app for peer-to-peer local file sharing between nearby devices in the browser, inspired by AirDrop, with optional self-hosting.

GPL-3.0Slowing down

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Apple AirDrop+5

Gotify is a self-hosted notification server that delivers messages in real time via WebSocket, with a REST API, web UI, and optional clients like Android and CLI.

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.

GPL-3.0Actively maintained

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Discourse+14

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.

GPL-3.0Actively maintained

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Telegram+13

AirDrop-like P2P file and text transfer in the browser with device pairing and temporary public rooms for internet transfers.

GPL-3.0Actively maintained

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Apple AirDrop+5

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.

Apache-2.0Actively maintained

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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.

GPL-3.0Actively maintained

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Ant Media Server Cloud+2

Open-source GPS tracking platform supporting 200+ device protocols, real-time tracking, alerts, reports, REST API and web/mobile apps for fleet and asset monitoring.

Apache-2.0Actively maintained

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Wialon+8

Open-source Node.js distributed task scheduler with web UI, real-time logs, multi-server failover, REST API and plugin support for arbitrary scripts.

Actively maintained

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Control-M (BMC)+6

WeTTY provides browser-based terminal access to local shells or remote SSH hosts using xterm.js and WebSockets for responsive interactive sessions.

MITActively maintained

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Puter+5

Homarr is a modern, drag-and-drop server homepage dashboard with many integrations, built-in authentication, permissions, and fast search across your services.

Apache-2.0Actively maintained

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Homarr Cloud+13

Efficient, minimal collaborative code editor with real-time editing in the browser, OT-based syncing, WebSocket communication, and optional SQLite persistence.

MITLikely dormant

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Replit+5

OvenMediaEngine (OME) is a sub-second latency live streaming server that ingests multiple protocols, transcodes to ABR, and delivers streams via WebRTC and Low-Latency HLS.

AGPL-3.0Actively maintained

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Wowza Streaming Cloud+15

Self-hosted web application to track and manage 3D-printing filament spools with a REST API, WebSocket updates, label/QR printing and integrations for common printer frontends.

MITActively maintained

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SimplyPrint+6

Open-source task and chore manager for individuals and groups featuring natural-language scheduling, assignee rotation, NFC triggers, REST API, and S3-compatible storage.

AGPL-3.0Actively maintained

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Todoist+19

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 backend.

MITActively maintained

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Socket.IO Cloud+4

Self-hosted tool that auto-discovers system and container ports, maps services in real time, and helps prevent port conflicts across servers via a web dashboard.

MITActively maintained

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Device42+9

Ech0 is a lightweight open-source, self-hosted federated publishing platform (ActivityPub) with a Vue-based UI, SQLite storage, Docker deployment and built-in Markdown editor.

AGPL-3.0Actively maintained

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Micro.blog+13

OpenRemote is a 100% open-source IoT platform for device management, data dashboards, and automation with rules, APIs, and multi-tenant user management.

Actively maintained

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ThingsBoard Cloud+13

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

Actively maintained

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Firebase+4

Briefing is a secure, anonymous WebRTC-based video group chat with text chat, screen sharing, and simple invite links, designed to run in modern browsers.

AGPL-3.0Slowing down

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Zoom+12

Tiny self-hosted dashboard to monitor and control UPS devices via Network UPS Tools (NUT), with real-time stats, multi-UPS support, and Prometheus/InfluxDB integrations.

Apache-2.0Actively maintained

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Amazon CloudWatch+10

Open source headless CMS and real-time graph database with schema tooling, full-text search, tables, documents, files, and SDKs for web apps.

MITActively maintained

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Contentful+12

Web app for synchronized group watching: per-channel playlists, real-time chat, moderation, and multi-source media playback.

Slowing down

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Watch2Gether

Open-source, self-hostable file transfer service with resumable uploads, S3 or disk storage, transfer requests, and end-to-end encrypted WebRTC quick transfers.

AGPL-3.0Slowing down

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WeTransfer+9