
Description: BitcoinSpinner is a bitcoin faucet website that allows users to earn small amounts of bitcoin for free by completing various tasks like captcha solving, surveys, games, etc. The earned bitcoin can be withdrawn or used to purchase items from their shop.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Electrum is an open-source, lightweight Bitcoin wallet for desktop and mobile operating systems. It uses a decentralized server architecture to provide users with increased security, privacy, and speed compared to centralized wallets.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API