
Description: Preceden is a web-based tool for creating interactive timelines, roadmaps, family trees, and more. It allows users to easily build visual narratives by arranging media-rich events on a customizable timeline.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SIMILE Widgets is an open source JavaScript library for building browser-based applications. It provides reusable UI components like timelines, calendars, maps and more to visualize data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API