
Description: Nextcloud Hub is an open source, self-hosted file sharing and communication platform. It provides file storage, sync, and share capabilities, as well as messaging, online document editing, calendar/contacts, and more. Useful for organizations looking for on-premises alternatives to things like Dropbox, Office 365, or G Suite.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpenChange is an open source implementation of Microsoft Exchange Server that allows Linux and UNIX servers to interoperate with Microsoft Exchange clients. It provides compatibility with Exchange protocols like MAPI, EMS, and OAB.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API