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 Mac 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.
The one and only secure messaging app Protect your privacy!
SECURE MULTIMEDIA MESSAGING
Switzerland
Cnectd is a mobile messaging and social networking application for smart phones. Cnectd lets you chat across iPhone, BlackBerry, Android and Symbian devices. In addition Cnectd allows you to find new friends in your area, share media with your contacts and more.
R&Q is a little instant messaging client for the ICQ protocol, fork of Rejetto's &RQ. It is simple, fast, takes a little more than 1 MB disk space and doesn't need setup.
HookZApp is a cloud native, secure, fast, and feature-rich Next-Gen communication, collaboration & social media platform that makes everyday life, fun and easy.
Hong Kong SAR China
Free chat rooms no registration. Chat for free in many chat rooms. Meet single people and strangers online in retro style text online chat rooms.
Rebtel is a communication software that enables free calls between Rebtel users and low-cost international calls to non-Rebtel users. It works with WiFi, 3G, and local minutes. The software offers low-cost calls to any phone number, with rates significantly lower than typical...
Sweden
EU
xat is a fun social networking site with the coolest online chat box. Make friends, join a group or run your own chat. Over 2500 unique smilies to combine and use. Embed to your blog or page for free (no need to download). Also available on mobile.
United Kingdom
RelayBeam is a messaging platform with an innovative multi-port feature for enhanced communication.
WhatsGreen Multi Messenger is the easiest way to chat with friends from Chrome Browser without a phone. With WhatsGreen Multi Messenger you will never miss a message again while working on your PC.
Coco Voice is a Walkie Talkie app to share voice, text, and pictures.
United States
AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a simple way.
United Kingdom
Poland
