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

Gotify is a lightweight, self-hosted server for sending and receiving messages in real-time via WebSocket. It provides a complete solution with REST API, sleek web UI, and official clients for desktop and mobile platforms—perfect for teams wanting full control over their notification infrastructure.
Developers, DevOps teams, and organizations seeking a self-hosted, open-source alternative to commercial push notification services. Anyone prioritizing privacy and control over their notification infrastructure will benefit from Gotify's simplicity and flexibility.

Your self-hosted, globally interconnected microblogging community

The Secure CommsOS™ for mission-critical operations

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

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

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

Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Infisical is the open-source platform for secrets, certificates, and privileged access management.

A self hosted virtual browser that runs in docker and uses WebRTC.

Weighs the soul of incoming HTTP requests to stop AI crawlers

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

Ready-to-use Media-over-QUIC / SRT / WebRTC / RTSP / RTMP / LL-HLS / MPEG-TS / RTP live media server and media proxy that allows to read, publish, proxy, record and playback real-time video and audio streams.

Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup.

ActivityPub-federated video streaming platform using P2P directly in your web browser

Style and Grammar Checker for 25+ Languages