bot-detection

UAParser.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).

user-agent analytics user-agent-parser browser-detection client-hints bot-detection mobile-detection device-detection

UpdatedFeb 14, 2026
JavaScript

niespodd /browser-fingerprinting

Star5k

Analysis of Bot Protection systems with available countermeasures 🚿. How to defeat anti-bot system 👻 and get around browser fingerprinting scripts 🕵️‍♂️ when scraping the web?

bot crawler scraper automation recaptcha detection fingerprinting browser-fingerprinting stealth webscraping perimeterx bot-detection chromium-browser abck x-kpsdk-ct arkose reese84 aws-waf-token

UpdatedJul 17, 2024
JavaScript

omkarcloud /botasaurus

Sponsor

Star4k

The All in One Framework to Build Undefeatable Scrapers

anti-bot web-crawling bot-detection python-scraper anti-detect undetected scraping-framework undetectable python-web-scraper scraping-tool cloudflare-bypass scraping-python python-web-scraping anti-detection cloudflare-scrape bypass-cloudflare web-scraping-python undetected-chromedriver antidetect-browser anti-detect-browser

UpdatedFeb 1, 2026
Python

matomo-org /device-detector

Star3.4k

The 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 user-agent hacktoberfest detection-library device-detector bot-detection mobile-detection

UpdatedFeb 19, 2026
PHP

botswin /BotBrowser

Star2.2k

Advanced Privacy Browser Core with Unified Fingerprint Defense: Cloudflare, Akamai, Kasada, Shape, DataDome, PerimeterX, hCaptcha, FunCaptcha, Imperva, reCAPTCHA, ThreatMetrix, Adscore

automation webdriver scraping cloudflare chromedriver akamai web3 perimeterx bot-detection incapsula puppeteer antibot datadome anti-detection threatmetrix kasada shapesecurity

UpdatedFeb 19, 2026
TypeScript

fingerprintjs /BotD

Star1.4k

Free bot detection library that runs in the browser. Detects automation tools and frameworks. No server required, runs 100% on the client. MIT license, no usage restrictions.

automation bots selenium bot-detection headless-chrome puppeteer playwright

UpdatedFeb 7, 2026
TypeScript

Collection of patches for puppeteer and playwright to avoid automation detection and leaks. Helps to avoid Cloudflare and DataDome CAPTCHA pages. Easy to patch/unpatch, can be enabled/disabled on demand.

bot crawler chrome automation webdriver headless scraping crawling selenium cloudflare web-scraping chromedriver stealth bot-detection headless-chrome puppeteer datadome puppeteer-extra playwright rebrowser

UpdatedMay 9, 2025
JavaScript

hisorange /browser-detect

Star1.1k

Browser Detection for Laravel by hisorange!

laravel user-agent user-agent-parser bot-detection mobile-detection crawler-detection

UpdatedDec 10, 2024
PHP

cdpdriver /zendriver

Star1.1k

A blazing fast, async-first, undetectable webscraping/web automation framework based on ultrafunkamsterdam/nodriver. Now with Docker support!

python chrome webdriver browser async captcha selenium cloudflare chromedriver anti-bot webscraping browser-automation bot-detection chrome-devtools-protocol cloudflare-bypass

UpdatedFeb 1, 2026
Python

tirrenotechnologies /tirreno

Star1.1k

tirreno is an open-source security framework. Event tracking, threat detection, and risk scoring for any application.

intelligence log-analysis php-scripts intranet audit-logs siem user-monitoring fraud-prevention antispam bot-detection application-monitoring fraud-detection php-project security-framework fraud bot-management security-analytics audit-trails cybersecurity-tools cybersecurity-projects

UpdatedFeb 13, 2026
PHP

Ullaakut /astronomer

Sponsor

Star763

A tool to detect illegitimate stars from bot accounts on GitHub projects

github open-source github-api bot-detection fraud-detection

UpdatedAug 15, 2020
Go

sardanioss /httpcloak

Star750

Go 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.

nodejs python go golang js http2 http-client python3 cloudflare web-scraping browser-fingerprinting quic anti-bot browser-fingerprint http3 bot-detection tls-fingerprint ja3-fingerprint ja4-fingerprint tls-fingerprinting

UpdatedFeb 15, 2026
Go

totpero /DeviceDetector.NET

Star400

The 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-sharp user-agent dotnet detection-library bot-detection mobile-detection

UpdatedFeb 20, 2026
C#

prosopo /captcha

Star340

Protect your website from bots with Prosopo Procaptcha

security spam privacy recaptcha captcha spam-protection antispam spam-detection ddos-mitigation bot-detection proof-of-work captcha-alternative self-host ddos-protection polkadot invisible-captcha human-verification hcaptcha procaptcha frictionless-captcha

UpdatedFeb 20, 2026
TypeScript

blackdotsh /getIPIntel

Star329

IP Intelligence is a free Proxy VPN TOR and Bad IP detection tool to prevent Fraud, stolen content, and malicious users. Block proxies, VPN connections, web host IPs, TOR IPs, and compromised systems with a simple API. GeoIP lookup available.