
Description: Bitcoin Unlimited is a full node bitcoin client that allows miners to decide on block sizes, rather than having a limit imposed on them. It aims to scale bitcoin by letting the market determine the block size.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ripple is a blockchain and cryptocurrency payment platform that allows fast, seamless cross-border transactions. Its native cryptocurrency is XRP. Ripple aims to replace older systems like SWIFT for international money transfers with faster, cheaper, more transparent transactions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API