
Description: Periodica is a free periodic table app for Windows, Mac and Linux. It includes detailed elemental data, electron configurations, orbital diagrams, and a quiz mode to test your knowledge.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: An interactive periodic table built with JavaScript that allows users to click on elements to view detailed information. Includes visualizations, videos, and facts about each element.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API