
Description: PubMed is a free search engine accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. PubMed is developed and maintained by the National Center for Biotechnology Information (NCBI).
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Crossref is a not-for-profit membership organization for scholarly publishing that enables researchers to easily find, cite, link, and assess academic publications across platforms and publishers. It provides reference linking services and persistent identifiers like Digital Object Identifiers (DOIs).
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API