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.
20 Alternatives To RaidCall
Adium
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
C3
Free voice and text chat for gamers
Discord
Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Ekiga
Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for…
GSC
With GSC, you can pick from any of 14 worldwide datacenters to host your own free voice server.
Mumble
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use…
Razer Comms
I am unable to download Razer Comms. Where do I find the download link? Razer has decided to retire Razer Comms and the program is no longer available for download. I have Razer Comms installed.
Roger Wilco
Download Roger Wilco Mark I now from the world’s largest gaming download site, FilePlanet!
Slack
A messaging app for teams who see through the Earth!
Spreed
spreed is the worldwide Unified Web Conferencing service offering integrated web- and telephone conferencing.
Talk2Me
Talk2Me allows Push To Talk or Walke-Talkie like functionality for Windows Phone 7 Users.
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Tox
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Ventrilo
Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.
Vivox
Vivox is called to be one of the leading chatting platforms for online gamers.
Wire
Private & Secure Messenger
YouNow
YouNow is a free social networking app that allows you to connect with other users via live video broadcast.
Zulip
Powerful open source group chat
Join
Join is a marketplace for influencers and advertisers to collaborate.