
Description: LanguageTool is an open-source proofreading application that checks for grammar, style, and spelling issues in over 20 languages. It can be integrated into various text editors and web browsers as an add-on.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: After the Deadline is an open source grammar, spelling, and style checker plugin for various content management systems and text editors. It analyzes text and suggests improvements to grammar, spelling, punctuation, and style.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API