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I build open-source tools and share practical software-engineering knowledge for free.

Software Metrics Machine — privacy-first local development analytics

JSON Tool — local, privacy-first JSON formatting

Smelly Test — test-smell detection for JavaScript and TypeScript

PHP Import checker — an extension to detect unused namespaces in PHP files

TDD Anti-Patterns & Test Smells — research into TDD and test quality

jest-clipboard — clipboard API testing for Jest

Testable — gamified unit-testing learning

I also publish free articles, guides, and research-informed content on marabesi.com, covering TDD, testing, architecture, DevOps, Git, web development, and software engineering.

Your coffee helps sustain the work behind open source and public writing: maintenance, bug fixes, documentation, testing, research, and new ideas. If something I’ve built or shared has saved you time or helped you learn, thank you for supporting it. ☕