GitFounders
About ALTCHA
ALTCHA leverages a proof-of-work mechanism to create computational barriers against bots while employing an intelligent spam filtering system that blocks unwanted submissions before they reach you. In addition to its robust CAPTCHA alternative, ALTCHA provides privacy-friendly Analytics and secure Forms for data collection, ensuring seamless protection and compliance with data protection regulations.
Key Features
- GDPR compliant and privacy-first design
- Free, open-source, and self-hosted CAPTCHA alternative
- Proof-of-Work based bot deterrence
- Advanced anti-spam filter with intelligent verification
- Privacy-friendly Analytics and secure Forms for data collection
Pricing
Ideal for institutions and businesses starting at €9/month.
- ✓Advanced protection
- ✓AntiSpam with 50 verifications/day
- ✓Analytics with 1,000 events/day
- ✓10 Forms
- ✓GDPR compliant
Extra capacity to manage traffic spikes.
- ✓Handles up to 2,000 events and 100 verifications per day during traffic spikes
Perfect for enhanced spam protection without full platform access.
- ✓Provides access to AntiSpam API with up to 100 verifications per day
Add more users to your account for improved collaboration.
- ✓Facilitates seamless team collaboration with extra user seats
Summary
ALTCHA delivers robust abuse protection by combining a proof-of-work system with an advanced anti-spam filter that effectively blocks bots and suspicious activities. Its suite of tools, including a self-hosted CAPTCHA alternative, privacy-first Analytics, and secure Forms, offers a comprehensive solution that balances strong security measures with user privacy and regulatory compliance.
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