
Description: Skimur is a free and open-source PDF reader and note-taking application. It allows users to annotate, highlight, and markup PDFs. Key features include robust annotation tools, flexible organization with notebooks and tags, sync across devices, and dark mode support.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stack Exchange is a network of question-and-answer websites on topics in diverse fields, from software programming to cooking to photography. Users post questions which can be answered by other members of the community.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API