EN / ZH

Products & Tools

TidyLink interface TidyLinkBrowser Extension A cleaner, more organized new tab page for links, with 100% local data. Verso interface VersomacOS App Double-click a .md file to open, read, edit, and close. Obsidian Timestamp Player interface Obsidian Timestamp PlayerObsidian Plugin Embed audio in notes with timestamp navigation and auto-highlighted progress. Aidots interface AidotsAI Skill Scan, back up, restore, and compare AI coding tool configurations. Recommendations interface RecommendationsWebsite Products I use regularly and recommend. Fanqie Novel Downloader interface Fanqie Novel DownloaderWeb App Download publicly accessible Fanqie chapters as TXT or a Markdown ZIP.

Crypto & Web3

Vanity Passphrase interface Vanity PassphraseWeb App Generate personalized ETH addresses via BIP39 passphrases — no need to change your mnemonic. CEX to Lightning Calculator interface CEX to Lightning CalculatorWeb App BTC Lightning Network deposit & withdrawal calculator for exchanges. BIP39 Mnemonic Recovery interface BIP39 Mnemonic RecoveryPython Script Recover missing words from a BIP39 mnemonic phrase. Starknet Resources interface Starknet ResourcesResource A curated collection of Starknet development resources.

Content & Open Source

Cognitive Bias Codex interface Cognitive Bias CodexResource A collection of 67 cognitive biases, compiled by the Feishu design team. ZenMind interface ZenMindHexo Theme A minimal single-column Hexo theme, built for personal use.

Unreleased / Archived

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Things3 Chrome Extension Browser Extension Quickly add the current page as a task in Things3.
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Elder Abuse Detector Hardware Low-cost hardware for detecting elder abuse (not open-sourced).
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YouTube Audio Translator Browser Extension Understand YouTube videos in any language (sold).
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WeChatGuard macOS App Security lock for WeChat on Mac.
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Wechat++ macOS App Run multiple WeChat instances on Mac.

Previous Work

Weimai interface WeimaiHealthcare Internet healthcare platform with hundreds of millions of users. Led the doctor-patient chain product line. Gongshu interface GongshuConstruction SaaS Digital management platform for construction. Led product architecture decoupling and intelligent controls system.
© 2026 Len Chou