
Description: Graviton Block is an open-source, decentralized blockchain platform that allows developers to build dApps and smart contracts. It focuses on speed, scalability, and security using a Delegated Proof of Stake consensus algorithm.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PureBlocks is a user-friendly blockchain development platform that allows anyone to create decentralized applications and smart contracts without coding. It features a visual interface to design dApps through drag-and-drop functionality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API