Products
One engine.
NeonFlow is the core: it executes code and records every step. Labs and Classrooms are built on top of it.
Flagship
NeonFlow
Turn any program into a step-by-step animation. Watch every call, branch, and swap - with live memory and the flow graph beside your code.
Open NeonFlowLabs
A real editor and test runner in the browser. Solve problems, run hidden tests, and debug your own solution in NeonFlow with one click.
Try a labClassrooms
Teachers create batches, post problems with hidden tests, and see every student's progress - down to replaying their exact run.
For teachersComing next
VS Code extension
Coming soonNeonFlow inside your editor - trace the file you're working on without leaving VS Code.
Mobile
Coming soonReview runs, check batch progress, and read flows on your phone.
Want one of these sooner? Tell us - we build in the order people ask.