Open Source

Projects

Tools, libraries, and platforms built with Kotlin — designed to be modular, observable, and production-ready.

#end-user clear filter

Apps

AI Usage Tracker

A Windows dashboard and tray utility to monitor AI API usage, costs, and quotas across Anthropic, GitHub Copilot, OpenRouter, DeepSeek, Mistral, and more — all from one compact window.

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end-user open-source

Runary

A self-hosted personal book, audiobook, and comic manager with built-in readers, rich metadata support, device sync, and a 1900+ integration test suite.

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end-user open-source

Maven Cleaner

Safely clean your local Maven repository and Gradle caches — scans for old versions, verifies against Maven Central, protects local-only builds, and reclaims disk space.

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end-user open-source

Needlecast

A Swing-based desktop project launcher for developers — organizes projects into color-coded groups, embeds a terminal, editor, and file explorer, and auto-detects build tools and AI CLI tools.

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end-user open-source