B.L.U.E.-J. is the 100% open-source, solo-dev AI tutor that adapts to you. Voice Chat: Talk naturally with J. about your code. Live IDE: Execute Python, C++, or JS with real-time debugging. Adaptive Learning: 4 modes (Kids to Advanced) tailor the experience. 100% Offline: Learn anywhere via WebLLM—no internet required. Gamified: 6-phase curriculum and "The Five Masters Gauntlet." Optimized: 6 hardware profiles for any device. Free Tier includes voice, IDE, and full curriculum.
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Maker
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Hey Product Hunt! :wave:
I'm Mike, and I've been building B.L.U.E.-J. solo for the past year.
The idea started simple: I wanted an AI that didn't just autocomplete my code — I wanted one that actually *taught* me. That explained the "why" behind every line. That remembered what I struggled with last week and built on it today.
J. (that's what we call her) started as a chatbot. Then she got voice. Then an IDE. Then she could actually run your code. Then she started adapting to whether you're 8 years old or a 10-year veteran.
Now she's a full coding simulator — and I'm releasing the Core tier completely free.
The 3-tier model works like this: B.L.U.E.-J. starts as your tutor (Core), becomes your power tool (Pro), and eventually becomes your autonomous coding partner (Agent). She grows with you.
I'd love your feedback. What would you want from an AI coding mentor? Drop a comment — I read every one.
:link: GitHub: https://github.com/s4ndm4n33-spe...