
Description: Slemma is a free, open-source alternative to Grammarly for grammar and spelling correction. It uses natural language processing to analyze your writing for typographical and grammatical errors, highlighting issues and suggesting fixes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: QueryTree is a data analytics tool that allows users to visually build SQL queries by dragging and dropping fields into a query tree interface. It eliminates the need to write SQL code manually.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API