
Description: Notmuch is an open-source email search and indexing tool for Linux. It allows users to quickly search through large volumes of email on their computer without relying on vendor-specific APIs or online services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Astroid is an open-source email client for Linux designed to be lightweight and easy to use. It has support for multiple accounts, search, tagging, encryption, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API