
Description: Instapaper is a read-it-later app that allows users to save web pages to read at a more convenient time. Users can bookmark articles, blog posts, videos, and more to their Instapaper account and access them offline on any device.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Otter is an open-source bookmark manager and web assistant that helps you organize, search, share and access your bookmarks from any device. It has features like tagging, notes, search, online sync, groups and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API