
Description: Sympa is an open source email list management web application. It allows you to create and manage mailing lists for distributing messages to large numbers of email subscribers. Key features include subscriber management, mailing list administration, message archiving and integration with external databases.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Listeron is a free, open-source alternative to Smartsheet for creating interactive lists and task boards. It allows real-time collaboration and has features like board views, card sorting, comments, reminders, attachments, and integrations with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API