Free tools I use every day and share, plus systems I have built for clients.
A small macOS menu bar app that automatically lists the npm, Vite, Next, and Astro dev servers and Docker containers running on your machine. Open, pin, rename, or stop them with one click. It also changes color to remind you when something has been left running too long. Includes a read-only MCP server, so Claude Code can query it too.
A Taiwan public holiday JSON API built through vibe coding. It covers make-up workdays and the traditional lunar calendar, with bilingual Traditional Chinese and English, and is free to access through the jsDelivr CDN. Zero lines of hand-written code.
Works out the most cost-effective leave plan around Taiwan public holidays, for example taking 2 days off for 11 days of rest. Pick your dates and destination, then check flights and accommodation in one click. Works for departures from Taoyuan, Songshan, Taichung, and Kaohsiung. Prices are estimates; check each platform for actual prices.
Adds per-image caption text to the Filament FileUpload field, with support for sorting multiple images, files with the same name, and JSON storage. Versions are available for Filament 3, 4, and 5.
Combines N8N, RAG, and Google Drive to connect a company knowledge base directly to LINE, automatically answering customer questions.
A full-featured property management platform that brings together lease contracts, rent collection, maintenance, and tenant management. Supports multiple apartment buildings, multiple landlords, and multi-role permissions.
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