
Description: DigiCert is a certificate authority that issues SSL/TLS certificates which enable websites to have secure HTTPS connections. It offers various certificate types like standard SSL, wildcard, and Extended Validation certificates.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WoSign is a certificate authority that issues SSL certificates for websites to enable HTTPS and encrypt traffic. It is owned by Qihoo 360 and based in China. It had security controversies related to misissued certificates but remains one of the biggest CAs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API