Design-focused builder
- Building stuff to make my (maybe even ours) life easier
- Working with NTHU CCC to modernize the academic information system
- Building Japanese learning tools at Sessatakuma
- Keeping my illustration account on life support (Yeah I will draw tomorrow)
- OnTrack — See your next train with zero taps
- ColorInvo — Pick the best color for your invoice barcode (and add a cat scratching it)
- AkuMa — Japanese pitch-accent & furigana auto-marking tool
- JaCarda — Create polished vocabulary cards in one click
- ccxpLite — A faster, cleaner NTHU Academic Information System experience (200+ users)
- ccxp-decaptcha — OCR model training pipeline for NTHU CCXP and OAuth captchas
- EZE3 — One-click access from NYCU Portal to E3
- Homepage — Customizable browser homepage with a keyboard-first bookmark launcher
- HandyTab — Open your browser homepage with a three-finger tap on your touchpad (or a hand wave if you want)
- Sago Drop — Turn large videos into previewable links so you can send it in Discord
- Badgical — Make your README badges come to life
- Comux — See Codex usage in your menubar across accounts and workspaces
- create-hsi-app — Kickstart a Vite/Next.js app with best practices
- Human out of Loop — Let Codex turn finished work (or even a fresh issue) into a proper PR
- Sago Media — Let agents upload media for PRs with no effort
- skills — Skills including typography clean up, html artifacts and port forwarding
- AGENTS.md — So 5.6 Sol behaves and even writes commit messages and CSS properly
- fish-alias & fish-git-alias — For faster dev workflows
- Atomize — A nerdy prime factorization PVP mobile game
- Mini Sago — A Discord bot for... everything?
- Sago Cloud — Self-hosted infrastructure for Mini Sago, Obsidian LiveSync, Homepage, Sago Media api, DB and more
- links — One page for finding me around the internet
- hsichen.dev — Minimal personal project index page
- Microsoft Frontend Intern — Shipped production features and UX/accessibility improvements for Azure CU.
- Contributed to open source projects I love — Lucide, Svgl, Self-hosted LiveSync and Rosé Pine.