Pure TypeScript · Runs entirely in your browser · MIT licensed

Neural networks, made click-by-click obvious.

Build a network. Pick a dataset. Watch it learn — with the math right there next to it. The Learn section walks you through linear algebra, calculus, and backpropagation from first principles.

Pure-TS core

No black-box deps

React Flow

Live network graph

Curriculum

6 chapters w/ demos

Web Worker

UI never freezes

Architecture

Stack layers like LEGO bricks. The last layer is your output.

#SizeActivation
h1
out

Network preview

Live render. Edge thickness scales with weight magnitude.