Open source

What we give back
to the toolset.

The tools we ship and the projects we back. Software people use every day, written in part by us.

What we maintain

Projects we actively ship and support.

re:scheduled
Ruby on Rails · AGPL-3.0

Shift-assignment tool for c3lingo, the translation collective at Chaos Communication Congress and other chaos events. Automatic schedule imports from Pretalx and re:publica Hub, one-click angel assignments, live collaboration via ActionCable, conflict detection across simultaneous conferences, and personalised .ics calendar feeds. Integrates with Engelsystem and c3t-drop. View on git.cccv.de.

GhydraMCP
Java + Python · Apache-2.0

A multi-instance Ghidra plugin with a HATEOAS REST API and MCP bridge for reverse engineering, binary analysis, and decompilation. Lets LLMs interact directly with Ghidra’s analysis capabilities. View on GitHub.

moco-ruby
Ruby · Apache-2.0

Ruby API wrapper for the MOCO project management and time tracking API. Simplifies integration with mocoapp.com for billing, time tracking, and project management workflows. View on GitHub.

autodns-domainrobot_api-gem
Ruby · Apache-2.0

Ruby client for the InternetX AutoDNS Domain Robot REST API. Handles automated domain management, DNS configuration, and SSL certificate operations. View on GitHub.

What we run

Tools we depend on and sponsor.

Astro

The web framework for content-driven websites. Astro powers this site. withastro.

Stalwart Labs

Modern, secure email infrastructure written in Rust. We run Stalwart Mail Server for our own systems. stalwartlabs.

What we support

Projects we back and participate in.

Rescoot

Open source firmware and tools for electric scooters, extending vehicle lifespan and reducing e-waste. rescoot.

Librescoot

Free and open source replacement firmware for Unu scooters, giving owners full control over their vehicles. librescoot.