kit·intermediate·updated 2026-07-09
CAPTCHAs Kit
Generate and validate CAPTCHAs on your own server. Image generation, audio fallback, and rate limiting built in. Privacy-first, no tracking.
Next.jsNode.jsRedis
detailed writeup in progress
This kit exists — the long-form writeup is on the way.
The repo is live. We're still writing the walkthrough in the same format as our other kits. In the meantime, the code is self-documenting.
Got stuck, or want this shipped end-to-end for you? bitroot.club builds custom products for founders. →