
Description: Particl Marketplace is a decentralized, private ecommerce platform built on blockchain technology. It allows buyers and sellers to transact securely without middlemen through the use of multi-signature escrow wallets and ring signatures for privacy.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Swappa is an online marketplace for buying and selling used smartphones and other electronic devices. It offers a simple process for sellers to list their devices and for buyers to purchase them safely.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API