Self-hosted / Custom Systems

Custom Systems (40)

1.9KTop 3%

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zulip zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

PythonApache-2.0Seasoned code • 67.1k commits • 10 years

1.8KTop 3%

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mattermost mattermost

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

TypeScriptRelease machine • 880 releases • 10 years

1.8KTop 3%

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RocketChat Rocket.Chat

The communications platform that puts data protection first.

TypeScriptRelease machine • 1.1k releases • 10 years

1.8KTop 5%

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element-hq element-web

A glossy Matrix collaboration client for the web.

TypeScriptAGPL-3.0Seasoned code • 64.3k commits • 10 years

1.6KTop 10%

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novuhq novu

The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.

TypeScriptSeasoned code • 20.6k commits • 4.2 years

1.5KTop 10%

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element-hq synapse

Synapse: Matrix homeserver written in Python/Twisted + Rust

PythonAGPL-3.0Seasoned code • 25.3k commits • 23 months

1.2KTop 50%

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globaleaks globaleaks-whistleblowing-software

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

PythonSeasoned code • 18k commits • 13 years

1.1KTop 50%

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mumble-voip mumble

Mumble is an open-source, low-latency, high quality voice chat software.

C++Seasoned code • 11.6k commits • 15 years

1.1KTop 50%

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LiveHelperChat livehelperchat

Live Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (whatsapp), Facebook messenger including building a bot.

PHPApache-2.0Release machine • 272 releases • 13 years

1.1KTop 50%

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hyphanet fred

Freenet REference Daemon

JavaGPL-2.0Seasoned code • 32.3k commits • 17 years

1KTop 50%

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conversejs converse.js

Web-based XMPP/Jabber chat written in JavaScript

JavaScriptMPL-2.0Seasoned code • 9.6k commits • 13 years

1KTop 50%

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RetroShare RetroShare

RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.

C++Seasoned code • 17.2k commits • 10 years

992Top 50%

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simplex-chat simplex-chat

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

HaskellAGPL-3.0Release machine • 232 releases • 6 years

949Top 50%

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onetimesecret onetimesecret

Keep passwords and other sensitive information out of your inboxes and chat logs.

RubyMITSteady cadence • 36/52w active • 58 per week

787Top 50%

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baptisteArno typebot.io

💬 Typebot is a powerful chatbot builder that you can self-host.

TypeScriptSteady cadence • 51/52w active • 17 per week

787Top 50%

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binwiederhier ntfy

Send push notifications to your phone or desktop using PUT/POST

GoApache-2.0Deep bench • 289 contributors • 4 years

632Top 50%

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tinode chat

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

GoGPL-3.0Star magnet • 12.9k stars

603Top 50%

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centrifugal centrifugo

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io. Set up once and forever.

GoApache-2.0Star magnet • 9.5k stars

545

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TokTok c-toxcore

The future of online communications.

CGPL-3.0Star magnet • 2.5k stars

509

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caronc apprise

Apprise - Push Notifications that work with just about every platform!

PythonBSD-2-ClauseStar magnet • 14.8k stars

495

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gotify server

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

GoStar magnet • 14k stars

482

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balzack databag

fast & lightweight self-hosted messenger

TypeScriptApache-2.0Star magnet • 1.3k stars

456

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Luzifer ots

One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser

GoApache-2.0Star magnet • 650 stars

444

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binwiederhier ntfy-android

Android app for ntfy.sh

KotlinApache-2.0Star magnet • 788 stars