FIELD NOTE / Tools

Codex

A web explorer for FlyWire neurons and annotations.

README reviewedSource checked Sep 10, 2026
Editorial illustration

What’s going on here?

The open repository for Codex, a web application for exploring and analyzing FlyWire whole-brain-connectome neurons and annotations.

THE IMPORTANT BIT

Where the wiring ends,
and the model begins.

It is an exploration and analysis interface, not itself a neuron-dynamics simulator.

Follow the source.

These links support the description. A source review is not a test of the program, its performance, or its biological realism.

Nearby in the flyiverse.

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