
Description: FreeSpell is an open source spell checker software for Windows, Linux and macOS. It integrates with a variety of applications such as word processors and email clients to check spelling as you type.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PaperRater is an online proofreading and plagiarism detection tool for students, writers, and professionals. It checks spelling, grammar, word choice, and plagiarism issues in documents.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API