
Description: Nullupload.com is a free and simple file sharing service that allows users to upload files up to 5GB and share them with anyone via unique links. It has no registration requirement and provides strong security and anonymity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Otr.to is a free online chat service that allows users to have private, encrypted conversations. It uses end-to-end encryption to ensure conversations remain confidential and secure. Otr.to is easy to use and works in most browsers without needing to download additional software.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API