Self-hosted projects using WebSocket

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

Alternative to:

WeTransfer+9

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

Apache-2.0Actively maintained

Alternative to:

Signal+19

Lightweight OwnTracks location data recorder that ingests MQTT/HTTP publishes, stores them locally without an external DB, and exposes a REST/WebSocket API and web UI.

Actively maintained

Alternative to:

Life360+1

Glowing Bear is a browser-based WeeChat client that connects to WeeChat via the relay plugin, providing a modern interface for IRC from any device.

GPL-3.0Actively maintained

Alternative to:

IRCCloud+3

Open-source multi-channel notification service with REST API, management UI, templates and channel abstraction for email, web, push and SMS; built with ASP.NET Core and React.

MITActively maintained

Alternative to:

OneSignal+5

Modern web UI for monitoring NUT-compatible UPS devices with real-time charts, historical reporting, and multi-channel alerts. Docker-ready with client/server modes.

MITActively maintained

Alternative to:

Amazon CloudWatch+9

Modern Node.js-based BBS server with Telnet/SSH/WebSocket access, theming and mods, message networks, file areas, doors, and strong authentication options.

BSD-2-ClauseActively maintained

Alternative to:

Discourse+14

Self-hosted, privacy-respecting pictionary game (skribbl.io alternative) with real-time drawing, guessing, and multiplayer lobbies—no accounts or ads required.

Lightweight, customizable Discord music bot in Python. Supports YouTube, SoundCloud, Spotify, Twitch, Lavalink playback, playlists, lyrics, slash commands and Docker.

MITActively maintained

Alternative to:

FredBoat+2

Capture, inspect and debug webhooks and HTTP requests with customizable responses, real-time WebSocket UI, and memory/Redis/filesystem storage options.

MITActively maintained

Alternative to:

Webhook.site+2

UnrealIRCd is an open-source, modular IRC server implementing IRCv3, TLS, anti-spam/flood protections, GeoIP and admin APIs for running public or private IRC networks.

Open-source 2D browser battle royale inspired by surviv.io. Client and server in TypeScript with real-time multiplayer, Pixi-based rendering, and self-hosting support.

GPL-3.0Actively maintained

Alternative to:

Apex Legends+4

Open-source real-time note-taking and todo app with WYSIWYG editor, JWT auth, role-based access control, and import/export capabilities.

GPL-3.0Slowing down

Alternative to:

Evernote+9

A modular, developer-friendly virtual tabletop that runs on Node.js/Electron, offering scenes, dynamic lighting, compendia and a rich module/system ecosystem.

Web app that uses your Lidarr library and Last.fm to surface similar artists, supports AI-driven prompts, real-time UI, and pushes additions back to Lidarr.

MITActively maintained

Alternative to:

Last.fm+1

Ghostboard is a minimal real-time text board that syncs text across devices via WebSocket and exposes a REST API and CLI for updates and retrievals.

MITSlowing down

Alternative to:

Pastebin+4

Self-hosted Docker monitoring: real-time logs, per-container terminals, rules-based alerts and safe auto-remediation for developer teams.

Apache-2.0Actively maintained

Alternative to:

Datadog Cloud Monitoring+14

WhoRang turns doorbell camera events into AI-analyzed visitor insights with face recognition, multi-provider AI integration, real-time notifications, and mobile-first dashboards.

Slowing down

Alternative to:

Ring Protect+2

Mobile-first, real-time shared shopping and small collaborative todo app with boards, lists, checkable items, search, PWA support and MongoDB backend.

AGPL-3.0Actively maintained

Alternative to:

AnyList+11

SAMA is a Node.js-based open-source chat server using uWebSockets.js, MongoDB and Redis, providing WebSocket/HTTP APIs, E2EE, clustering, and web/mobile clients.

GPL-3.0Actively maintained

Alternative to:

Sendbird+19

Simple companion web app for book clubs to suggest books, run voting rounds, track reading history, write reviews and integrate with Goodreads.

Actively maintained

Alternative to:

Goodreads+5

Self-hosted CCTV/NVR software for recording, viewing, and managing IP camera streams with a web UI, real-time events, and flexible deployment from edge to enterprise.

Activity unknown

Alternative to:

Blue Iris+10

Open-source, API-first platform for carrier-grade IP communications: VoIP, WebRTC, messaging, conferencing and programmable telephony microservices.

Activity unknown

Alternative to:

3CX+19

u-wave is a self-hosted social music room with DJ-style queueing, chat, and browser-based playback for listening together in real time.

Activity unknown

Alternative to:

Plug.dj+3

Self-hosted collaborative music room app with DJ queues, real-time chat, and YouTube/SoundCloud-style playback for shared listening sessions.

Activity unknown

Alternative to:

Turntable.fm+3