An open-source & self-hostable Heroku / Netlify / Vercel alternative.

modern full-featured open source secure mail server for low-maintenance self-hosted email

Instant, easy, and predictable development environments

Univention Corporate Server

Deploy web apps anywhere.

D2 is a modern diagram scripting language that turns text to diagrams.

Stable Diffusion Painting

A light-weight, no-dependency, vanilla JavaScript engine to drive user's focus across the page

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

A modern, scalable analytics system

A beautiful Bootstrap 5 theme with Atlassian Design.

Tiny Javascript engine for retro games

A dedicated scratchpad for developers

A scalable overlay networking tool with a focus on performance, simplicity and security

canonical libwebsockets.org networking library