
Description: SFTPGo is an open-source secure file transfer application that supports SFTP, FTP/S, WebDAV, and more. It is self-hosted, allows server-to-server transfers, and has user management, configurations, and audit logging.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Xlight FTP Server is a free, open source FTP server for Windows. It is lightweight, easy to set up, and good for basic file sharing over FTP.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API