Open Source Projects tagged "Antispam"
A curated collection of the best open source projects tagged "Antispam". Each listing includes a website screenshot along with a detailed review of its features.
Privacy-first CAPTCHA alternative with proof-of-work
Stars
Stars growing over the last 30 days8,282Last commit
1 day agoLicense
Apache-2.0
Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.
Open Source Alternative to:
Next-Gen CAPTCHA and Spam Protection, GDPR compliant
Stars
2,884Last commit
17 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:
Security framework that protects from within your product
Stars
1,562Last commit
15 days agoLicense
AGPL-3.0
Open-source security framework for threat detection, fraud prevention, and abuse monitoring. Self-hosted solution with built-in dashboard and risk scoring.
Open Source Alternative to:
Decentralized CAPTCHA for enhanced web security
Stars
303Last commit
1 day 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:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
Bright Data