Estonian websites

Lingvist is an adaptive language-learning platform, available in an international public free beta version since 2014.

Zone-H is an online archive dedicated to collecting and publishing records of defaced websites. Founded on March 2, 2002, and based in Estonia, the platform has become a widely recognized database for tracking defacements and incidents of cyber vandalism. A WHOIS lookup shows the domain was created on February 14, 2002.