
Description: Mailspring is an open-source email client for personal use. It aims to provide an interface that is both intuitive and feature-rich for managing your email effectively.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DejaLu is an open-source cross-platform note taking app and Evernote alternative. It allows users to take notes, add tags and media, organize notes into notebooks, and sync across devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API