
Description: Olvid is an open-source, privacy-focused messaging app for iOS and Android. It provides end-to-end encrypted messaging using advanced cryptographic protocols to ensure messages remain confidential. Key features include contact discovery without disclosing phone numbers, Perfect Forward Secrecy, encrypted cloud backup, and encrypted group conversations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Dingtone is a free calling and texting app that allows users to make calls and send texts over a data connection instead of a cellular network. It uses VoIP technology to route calls and messages, providing an alternative way to communicate without using carrier minutes or texts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API