Buypass is described as 'Is established as a major player in securing transactions with electronic IDs in Norway. We are a trusted European Certificate Authority (CA). Large public enterprises including the majority of the Norwegian health sector, municipal services and the Norwegian Police is' and is a certificate authority in the security & privacy category. There are more than 10 alternatives to Buypass, not only websites but also apps for a variety of platforms, including Windows, Linux, Chrome OS and Self-Hosted apps. The best Buypass alternative is Let's Encrypt, which is both free and Open Source. Other great sites and apps similar to Buypass are EncryptSSL, SSL For Free, ZeroSSL and Verisign.