
Description: CAcert is a community-driven certificate authority that provides free SSL certificates. It is an open alternative to commercial CAs for web servers wanting HTTPS encryption.
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