Dxtory - Tool to display FPS in video games, make screenshots, record videos.

Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...

Droplr - Droplr is a tiny application that aims at helping people share things easier.

Discord - Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.

RaidCall - Free & Light. Setting up is fast and easy; with no need to rent or set up servers. Low CPU usage and minimum memory footprint allows for smooth, uninterrupted communication. im. Group Communication.