
Description: EteSync is an end-to-end encrypted and privacy-focused calendar and contacts manager. It allows users to keep their data private while syncing across devices. EteSync uses client-side encryption so only you have the decryption keys.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DAVx5 is a feature-rich calendar and contacts sync app for Android. It supports syncing with popular services like Google, iCloud, Outlook.com, and Nextcloud using standard protocols like CalDAV and CardDAV.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API