Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
United States









Imo is a free, simple,secure and faster international video call & instant messaging app.







Plus Messenger is an messaging app that uses Telegram 's API. Plus Messenger has all of Telegram's features plus themes. Plus Messenger is free for android devices.



Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.



Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).




Kaidan is a simple, user-friendly Jabber/XMPP client providing a modern user interface using Kirigami and QtQuick. The back-end of Kaidan is written in C++ using the QXmpp XMPP client library and Qt 5.

Stack is an Internet launchpad that increases the efficiency of working with the web for the average internet user by allowing simultaneous use of multiple web apps within a neatly organized working environment.




Open source Jabber (XMPP) client with multi-account support, clean and simple interface. Being both free (as in freedom!) and ad-free, Xabber is designed to be the best Jabber client for Android .






Technitium Mesh is a secure, anonymous, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. Primary aim of developing this instant messenger is to provide privacy which is achieved using cryptography and anonymity using Tor network.
