Community plugins for Cylenivo — connect any project management tool

Free desktop app for cycle time, lead time and flow metrics from Jira, Trello and OpenProject. No cloud, no account.

Community-driven IP threat intelligence feed with curated and dynamic blacklists, updated daily.

Hundreds of models & providers. One command to find what runs on your hardware.

Collecting guidance, documents, examples, templates for open-source software projects, such as on governance, roadmaps, contributing, licenses, codes of conduct, etc.

A flexible commandline tool for template rendering. Supports lots of local and remote datasources.

Tool for processing film negatives.

Some great custom slash commands to supercharge your workflow

AGENTS.md — a simple, open format for guiding coding agents

Deep Dives/ebooks I've written. Currently only WordPress.

Generate static open data catalogs according to the DCAT-AP.de standard

How to approach accessible web interface design

The CSV magician

🚀 PHPStan extension for enforcing NASA's Power of Ten in your PHP code.

Type-Safe Unicode Characters

Open source book dedicated to helping you to make the best possible sourdough bread at home.

The PHP framework that gets out of your way

Ultra-lean, Web Components enhanced, no-build, no-dependencies boilerplate for PWAs

A custom element that allows you to easily put a Dark Mode 🌒 toggle or switch on your site:

List of awesome CSS frameworks in 2026

🚿 A modern CSS reset

CSS Boilerplate / Starter Kit: Collection of best-practice CSS selectors

Encrypt and decrypt data using private/public keys

An inky color scheme for Sublime Text.

A variable font for medievalists

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

DIY Film Camera Tester

A one-page architect website built with vanilla CSS and JavaScript.

Capture website screenshots