Kotlin HTML Builder

Embed PlantUML, DOT, etc. diagrams in your documentation using Kroki.

Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.

🛰️ kotlin multi-platform NATS client

Web components made simple and declarative

The core library that many of the ODK tools are built around. It's written in Java, implements the ODK XForms spec, and runs on mobile devices and cloud servers. ✨🏗✨

ODK Collect is an Android app for filling out forms. It's been used to collect billions of data points in challenging environments around the world. Contribute and make the world a better place! ✨📋✨

Off-The-Record messaging encryption written in pure Java

Foundational libraries for Kotlin

</> htmx - high power tools for HTML

Music synthesizer, written for fun and to learn stuff

An open source list of developer questions to ask prospective employers

Simple Java Chess API

Real-time interactive fractal zoomer

Functional patterns for Java

Sample projects for my talk "Refactoring to a System of Systems"

Example of Hexagonal architecture with high cohesion modularization, CQRS and fast BDD tests in Java

⚓️ Easily test HTTP webhooks with this handy tool that displays requests instantly.

Getting Started with Spring Boot 3:

A collection of algorithms and data structures

📚 Freely available programming books

A community Bash framework.

Node version management

Pip & virtualenv friendly version of psycopg2 for Windows

Fast and secure tunnels over HTTP/2

A self-hosted event management tool for nonprofits

Docker + Minecraft = Dockercraft

Online tuner based on web audio api