
Description: Minisign is a standalone signature tool that aims to be portable, minimalist, and easy to use and deploy. It only supports Ed25519 signatures and aims to be a simple alternative to PGP for signing and verifying files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GnuPG is a free open source implementation of the OpenPGP standard for data encryption and decryption. It allows users to securely encrypt files and communications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API