List of websites using Altcha
Altcha has been detected by The Web Radar on 74 different companies websites. Altcha is a spam and abuse protection solution for websites and apps, offering a privacy-friendly Captcha and other tools designed with GDPR compliance to provide strong security while safeguarding user privacy.
This page lists companies using Altcha and helps you identify tech stacks in your competitive space. Looking for a full list of websites using Altcha? The Web Radar has detected over 74 companies that have Altcha installed.
List of websites that use Altcha
We have detected more than 74 websites in europe and north america using Altcha. With The Web Radar, you can get the full list of companies using Altcha in europe and north america in a click.
Company | Country | Industry | Employees | Revenue | Technologies |
---|---|---|---|---|---|
France | Facilities Support Services | 51-100 | $1B to $10B | ||
Austria | Life Science | 101-250 | $1B to $10B | ||
Sweden | Credit | 10001+ | $1B to $10B | ||
Denmark | Debt Collections | 10001+ | $1B to $10B | ||
Germany | Analytics | 51-100 | $1B to $10B | ||
Germany | Logistics | 1001-5000 | $1B to $10B | ||
United States | Energy | 501-1000 | $100M to $500M | ||
Germany | Consulting | 1001-5000 | $100M to $500M | ||
United States | Natural Resources | 51-100 | $100M to $500M | ||
Germany | Architecture | 251-500 | $100M to $500M | ||
Germany | Internet | 101-250 | $100M to $500M | ||
Belgium | Machinery Manufacturing | 101-250 | $100M to $500M |
Showing 12 of 74 companies using Altcha . Request the full list of websites bellow.
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Number of websites using Altcha by country
Altcha is used in 74 websites

Germany
24 companies
Technologies related to websites using Altcha
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TruValidate
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Akamai Bot Manager
Akamai Bot Manager detect bots using device fingerprinting bot signatures.
Akamai Web Application Protector
Akamai Web Application Protector is designed for companies looking for a more automated approach to web application firewall (WAF) and distributed denial-of-service (DDoS) security.
MTCaptcha
MTCaptcha is a captcha service that is GDPR and WCAG compliant, providing the confidence of privacy and accessibility.
Keybase
Keybase is for keeping everyone's chats and files safe, from families to communities to companies. MacOS, Windows, Linux, iPhone, and Android.
Riskified
Riskified is a privately held company that provides SaaS fraud and chargeback prevention technology.
reCAPTCHA
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Forter
Forter is a SaaS company that provides fraud prevention technology for online retailers and marketplaces.
Friendly Captcha
Friendly Captcha is a proof-of-work based solution in which the user’s device does all the work.
Securiti
Securiti is a centralized platform that ensures the secure utilization of data and generative AI.
Sift
Sift is a CA-based fraud prevention company.
Signifyd
Signifyd is a provider of an enterprise-grade fraud technology solution for ecommerce stores.
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