ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content.
Unlike other solutions, ALTCHA is free, open-source, and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR.
Pricing
Free Trial available
Customer Type
Individuals
Freelancers
Large Enterprises
Medium Business
Small Business
Platform Type
SaaS/Web/Cloud
ALTCHA software demo
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Disclaimer: Pricing information for ALTCHA is provided by the software vendor or sourced from publicly accessible materials. Final cost negotiations and purchasing must be handled directly with the seller. For the latest information on pricing, visit website. Pricing information was last updated on .