



Zulip is described as 'Threaded group chat with topics for live or async collaboration, open-source, supporting self-hosted or cloud use, suited for organized team discussions' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Zulip for a variety of platforms, including Android, iPhone, Web-based, Windows and iPad apps. The best Zulip alternative is Signal, which is both free and Open Source. Other great apps like Zulip are Telegram, Element, Discord and Matrix.




Unlimited free calls anywhere in North America!
KNCTR gives you the ability to stay connected with the people that matter most. Call any mobile or landline phone number across North America, absolutely FREE! All you need is a headset plugged into your computer, an Internet conne.
CamVoice is a Free Live Video Chat Rooms Live Text Chat and Video Calls Website and Mobile App for Android. Meet new friends and random strangers guest access without registration.




Never ever miss a WhatsApp notification again while you are on your desktop computer. This extension makes it possible to receive WhatsApp notifications even when there is no WhatsApp tab or Chrome window at all open.




Small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).
Shuff is not only a messenger, it's a new way to communicate, either with friends or strangers. Interactivity in real time, customization, and much more...



VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipStunt software, you can call regular phones in various popular destinations for free or call at an incredible...