Open Source Projects tagged "Ddos Protection"
A curated collection of the best open source projects tagged "Ddos Protection". Each listing includes a website screenshot along with a detailed review of its features.
Next-Gen CAPTCHA and Spam Protection, GDPR compliant
Stars
2,735Last commit
18 days agoLicense
MIT
ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.
Open Source Alternative to:
Privacy-first proof-of-work CAPTCHA without user friction
Stars
2,489Last commit
11 months agoLicense
AGPL-3.0
Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.
Open Source Alternative to:
Decentralized CAPTCHA for enhanced web security
Stars
298Last commit
2 days agoLicense
Apache-2.0
A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.
Open Source Alternative to:
GDPR-compliant bot protection without user friction
Stars
193Last commit
1 day agoLicense
Unknown
Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.
Open Source Alternative to:
ScreenshotOne – The screenshot API for developers. Render screenshots in one simple API call
ScreenshotOne