* [FCaptcha v1.45.0](https://github.com/WebDecoy/FCaptcha) – Detect bots, vision-based AI agents, headless browsers and automation using 40+ behavioral signals plus server-verified SHA-256 proof-of-work.

* [Arcjet v1.14.1](https://github.com/arcjet/arcjet-js) – SDK for implementing security features like bot detection, rate limiting, and email validation in JavaScript applications.