Foundations
Start here if you're new to AI. Build a solid mental model in a few hours.
Free AI library
1019 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.
Start here
Each path is a sequence of guides you can read in order. Pick the one that matches what you want to do.
Start here if you're new to AI. Build a solid mental model in a few hours.
Learn how to actually use today's AI tools well — chat, write, create, code.
Understand the real-world impact of AI on jobs, privacy, safety, and society.
Topic tracks
Jump into the area you care about. Every track has multiple plain-English guides.
Full library
117 of 1019 guides shown. Filter by track or search above.
Spleeter Stem Separation explained clearly for everyday readers.
Audio AICREPE Pitch Estimation explained clearly for everyday readers.
Audio AIPESQ and STOI Speech Quality Metrics explained clearly for everyday readers.
Audio AISource-Filter Vocoding and WORLD explained clearly for everyday readers.
Audio AIMean Opinion Score Evaluation explained clearly for everyday readers.
Audio AIConstant-Q Transform for Audio explained clearly for everyday readers.
Audio AIFilterbank and PLP Features explained clearly for everyday readers.
Audio AIStyleTTS 2 Style Diffusion explained clearly for everyday readers.
Audio AIFastPitch Pitch-Controllable TTS explained clearly for everyday readers.
Audio AIVoicebox Flow-Matching Speech Generation explained clearly for everyday readers.
Audio AIDeep Noise Suppression Challenge explained clearly for everyday readers.
Audio AISpectral Subtraction and Wiener Filtering explained clearly for everyday readers.
We're a 501(c)(3) nonprofit. No ads, no paywall, no tracking. Just clear AI guides funded by readers who value an independent source.