* [GoCaptcha v2.0.5](https://github.com/wenlng/go-captcha) – High-performance, modular behavioral CAPTCHA library for Go supporting click, slide, drag-drop, and rotate modes.

* [better-captcha @better-captcha/soli...](https://github.com/LuggaPugga/better-captcha) – Framework-agnostic wrappers for CAPTCHA providers sharing lifecycle, render flow, and control handle to swap vendors without changing UI.

* [ALTCHA JS Library v2.0.0-beta.1](https://github.com/altcha-org/altcha-lib) – Lightweight, zero-dependency JavaScript library for creating and verifying ALTCHA challenges.