* [ThumbmarkJS v1.11.0](https://github.com/thumbmarkjs/thumbmarkjs) – Browser fingerprinting JavaScript library designed to generate unique identifiers with high accuracy. * [camofox-browser v1.14.0](https://github.com/jo-inc/camofox-browser) – Anti-detection browser server exposing a REST API for AI agents, using low-level Firefox fingerprint spoofing and accessibility snapshots. * [Arcjet v1.11.0](https://github.com/arcjet/arcjet-js) – SDK for implementing security features like bot detection, rate limiting, and email validation in JavaScript applications. * [FCaptcha v1.34.0](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. * [httpcloak v1.6.11](https://github.com/sardanioss/httpcloak) – Go HTTP client that reproduces browser TLS, HTTP/2/3 fingerprints and header ordering to bypass bot detection. * [CamoFox Browser Server v2.4.7](https://github.com/redf0x1/camofox-browser) – Anti-detection browser server for AI agents, providing a TypeScript REST API that wraps the Camoufox engine and supports OpenClaw plugins. * [bot-signal v2.0.14](https://github.com/okasi/bot-signal) – TypeScript-based bot signal detection toolkit for browser and Node, combining instant checks, behavioral analysis, and server-side IP/TLS/timezone validation without API keys. * [ChromiumFish v151.0.7922.170](https://github.com/arman-bd/chromiumfish) – Fingerprint-hardened Chromium fork that ships a drop-in Playwright harness for Python and Node, downloading matching prebuilt binaries per platform.