npm94Exceptionalhealth index

arcjet/arcjet-jsRuntime security for AI apps and agents: prompt injection detection, tool-call authorization, sensitive-data redaction, bot protection, and rate limiting. Drop it into your JS/TS code.
TypeScript★ 682↓ 2.2M/moSep 11, 2026
Packagist92Excellenthealth index

matomo-org/device-detectorThe Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model.
PHP★ 3,527↓ 1.3M/moSep 8, 2026
npm91Excellenthealth index

faisalman/ua-parser-jsUAParser.js - The Essential Web Development Tool for User-Agent Detection. Detect Browsers, OS, Devices, Bots, Apps, AI Crawlers, and more. Run in Browser (client-side) or Node.js (server-side).
JavaScript★ 10.2K↓ 114M/moSep 17, 2026
PyPI91Excellenthealth index
Python★ 13K↓ 3M/moAug 27, 2026
npm89Excellenthealth index

prosopo/captchaOpen-source, frictionless CAPTCHA and bot defense. A privacy-focused alternative to reCAPTCHA and hCaptcha.
TypeScript★ 300↓ 34.9K/moSep 14, 2026
npm · crates.io89Excellenthealth index

sqdshguy/wreq-jsHTTP client for Node.js with browser TLS fingerprint impersonation
TypeScript · Rust★ 402↓ 498.7K/moSep 23, 2026
PyPI88Excellenthealth index

feder-cr/invisible_playwrightFree antidetect browser stealth for Playwright: undetected headless Firefox fingerprint. Python scraping, recaptcha and bot detection bypass. Open source
Python★ 1,974↓ 15.7K/moSep 4, 2026
npm87Excellenthealth index

jo-inc/camofox-browserStealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.
JavaScript★ 8,924↓ 243.1K/moAug 28, 2026
PyPI84Excellenthealth index

cdpdriver/zendriverA blazing fast, async-first, undetectable webscraping/web automation framework based on ultrafunkamsterdam/nodriver. Now with Docker support!
Python★ 1,429Sep 14, 2026
PyPI · npm83Excellenthealth index

CloakHQ/CloakBrowserStealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.
Python · C# · TypeScript★ 31.5K↓ 1.1M/moSep 16, 2026
NuGet · npm78Goodhealth index
C#★ 40Sep 9, 2026

scrapfly/typescript-scrapflyOfficial TypeScript/JavaScript SDK for the Scrapfly platform: web scraping, screenshots, AI extraction, crawling, and a remote anti-bot browser. Ships to npm, JSR, and Deno.
TypeScript★ 23Oct 17, 2026
Go★ 3Sep 10, 2026
npm · Go · PyPI77Goodhealth index

WebDecoy/FCaptchaSelf-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
JavaScript · Go · Python★ 207↓ 5,865/moSep 10, 2026

totpero/DeviceDetector.NETThe Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model.
C#★ 410Sep 20, 2026

icvoss/django-wafSelf-hosted WAF middleware for Django: rate limiting, anomaly scoring, proof-of-work challenges, form protection, and nginx blocklists
Python★ 3↓ 1,653/moSep 11, 2026
TypeScript · JavaScript★ 777↓ 9,398/moSep 15, 2026

jonhadfield/ip-fetcherGo library and CLI to fetch public IP ranges from cloud platforms, CDNs, crawler bots, monitoring probes and threat intelligence feeds
Go★ 4Sep 12, 2026
Go · npm71Goodhealth index

sardanioss/httpcloakGo HTTP client with browser-identical TLS/HTTP2 fingerprinting. Bypass bot detection by perfectly mimicking Chrome, Firefox, and Safari at the cryptographic level (JA3/JA4, Akamai fingerprint, header order). Supports HTTP/1.1, HTTP/2, HTTP/3, sessions, cookies, and proxies.
Go · C#★ 1,288Sep 8, 2026
Python★ 8↓ 1,085/moOct 19, 2026

redf0x1/camofox-browserAnti-detection browser server for AI agents — REST API wrapping Camoufox engine with OpenClaw plugin support
JavaScript · TypeScript★ 394↓ 1,972/moSep 18, 2026
Go★ 70Sep 9, 2026

F4RAN/cuimp-tsA Node.js wrapper for curl-impersonate that allows you to make HTTP requests that mimic real browser behavior, bypassing many anti-bot protections.
TypeScript★ 87↓ 12K/moSep 15, 2026
TypeScript★ 31↓ 2,552/moSep 18, 2026

defensia/agentLightweight security agent for Linux servers — SSH brute force, WAF, bot detection, Docker/Kubernetes native. Deploy via curl, Docker, Helm.
Go★ 5Sep 20, 2026

feder-cr/invisible_coreSeed to browser fingerprint to Firefox prefs. The config core behind an undetected, anti-detect Firefox. Pure Python, zero Playwright.
Python★ 12↓ 25.3K/moSep 15, 2026
RubyGems63Moderatehealth index
Ruby★ 148Sep 6, 2026
PyPI63Moderatehealth index
Python★ 9↓ 2,490/moOct 2, 2026
npm · PyPI60Moderatehealth index

Bin-Huang/camoufox-cliAnti-detect browser automation CLI & Skills for AI agents — Camoufox-powered fingerprint spoofing, no bot-detectable Playwright leaks
Python · TypeScript★ 342↓ 376/moSep 14, 2026
PyPI59Moderatehealth index

lncrawl/scraperHTTP scraper with Cloudflare bypass, stealth mode, TLS rotation, proxy support, and a null-safe BeautifulSoup wrapper
Python★ 1↓ 2,216/moSep 15, 2026