BlueCatBot — 个人项目导航：实用 Web 工具与 AI 应用集合 / Personal hub of practical web tools and AI apps

Scenario-based Prompt Picker — 1,858 CC0 open-source prompts in 13 scenes, trilingual (zh/ja/en) bodies, searchable & favoritable, one-click to ChatGPT/Claude

All-in-one Windows cleanup & maintenance — deep clean, build artifacts, live monitor, disk explorer, optimize, uninstaller. 6-in-1 desktop app, zero deps

Mojibake Fixer — Drop legacy-encoded text (Shift-JIS, EUC-JP, GBK, Big5…), auto-detect, preview correctly in-browser, one-click convert to UTF-8. Fully client-side, no upload

Personal start page — Top-20 sites per field for Global/China/Japan/US + multi-region calendar (Japan rokuyo, China almanac, US holidays), zh/en/ja

XUANJI · Ancient Divination — Streaming tarot readings + detailed real-astrology horoscopes (astronomy-engine + AI), shareable results

AI Video Generation Platform — Multi-provider AI video, visual workflow, TTS, subtitles, BGM mixing

Document to Markdown — Convert PDF, Word, Excel, images and more

Prediction Market Dashboard — Real-time monitoring & auto-trading

Multi-Agent AI Trading Analysis — 12-stage pipeline, bull-bear debate, risk assessment. US/CN/HK/JP markets

Revolution & Construction Knowledge Base — 31 core works, 18 thought models, 10 key figures, AI chat

YouTube Comment Ranking — Sort by likes, discover top comments

JLPT Kanji Handwriting Practice — Kana & N5-N2 kanji OCR recognition, exam & study modes, TTS

YouTube Video Downloader — Fast, multi-format, cross-platform (Desktop)

YouTube Web Downloader — No install; download/clip/burn-in subtitles/mix audio right in the browser, synced history after login

BlueCat VPN · Anti-censorship Desktop Suite — sing-box (Reality + Hysteria2) subscription client, auto protocol selection, one-click connect, Windows app

Bilibili Video Downloader — 4K quality, subtitles, audio extraction

TikTok Video Downloader — Smart search, styled subtitles, trimming, audio tools

WeChat Knowledge Manager — Article crawling, AI summaries, atomic cards, 4-layer PS method

YT-Downloader License Admin — Key generation, device binding, dashboard

WeChat Article Exporter — Batch download, multi-format export, perfect layout

WeChat Article Showcase — Curated WeChat articles reading site

Classical Text Reading Room — Facsimile, transcription & zh/en/ja parallel reading of Kyoto University RMDA classical books, incl. the National-Treasure Konjaku Monogatari (Suzuka manuscript)

Real-time hot-news aggregator — Trending lists from Zhihu, Weibo, Bilibili, GitHub, Hacker News and more, in a cozy Animal-Crossing-style UI with draggable column cards