Input Sanitization & Security Packages
Input sanitization, XSS prevention, and application-security utilities that clean untrusted input before it reaches your rendering or storage layer (DOMPurify).
Packages in Input Sanitization & Security
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markupsafe
Escapes untrusted strings for safe use in HTML and XML markup, preventing injection attacks in templated output.
react-turnstile
React bindings for Cloudflare Turnstile — a privacy-first CAPTCHA alternative with a declarative component and a full imperative ref API.
slowapi
Rate limiting for Starlette and FastAPI endpoints, adapted from Flask-Limiter.
react-google-recaptcha
React component wrapper for Google reCAPTCHA v2, handling script loading, widget rendering, and the execute/reset API out of the box.
altcha
Privacy-first, self-hosted CAPTCHA replacement that proves a visitor is human with invisible proof-of-work instead of puzzles, tracking, or third-party APIs.
Flask-Limiter
Rate limiting for Flask applications with pluggable storage backends and per-route limits
react-hcaptcha
Drop-in React and Preact components for adding hCaptcha bot-protection challenges to any form.
django-csp
Content-Security-Policy header management for Django, with per-view overrides and nonce support.
Bandit
A static analysis tool that scans Python code for common security issues.
base64Captcha
A flexible Go library for generating digit, string, math, Chinese-character, and audio CAPTCHAs encoded as base64 strings.
python-ipware
Retrieve a client's real IP address from HTTP request headers, with proxy handling.
Presidio Analyzer
The PII detection engine behind Presidio, combining NER, regex, and checksum recognizers
Gregwar Captcha
Generate distorted CAPTCHA images in PHP to stop bots.
RestrictedPython
Compiles a restricted subset of Python so you can define a trusted boundary for running untrusted code.
simpleeval
A single-file Python library for safely evaluating user-supplied expressions without exposing full eval() access.
laravel-recaptcha
Drop-in Laravel package for embedding and validating Google reCAPTCHA v2 and v3 in your forms.
confusable_homoglyphs
Detect dangerous Unicode homoglyphs and mixed-script strings to stop impersonation attacks
altcha
Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.
