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.