
Description: Ciphermail for Android is a free and open source email app focused on privacy and security. It supports end-to-end encryption using OpenPGP and aims to make encrypted email easy and accessible.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: oPenGP is an open-source CAD/CAM software for hobbyists, students, engineers and manufacturing professionals. It allows designing 3D models and machining them into physical objects with computer numerically controlled (CNC) tools like 3D printers and milling machines.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API