Own desktop (and applet) IM, similar to ICQ, in Java. Uses Swing.

Clone - Telegram S Edition Android App

Advanced Messenger For Android

Privacy preserving data exchange for android.

Floating ChatHead for Android app, like FB messenger.

simple messenger written with netty

A J2EE based template message sender which works on top of SMTP protocol. Download it from the release page :

Gateway MsgApi SDK - Java

Spring 2017

Messenger Bot that, based on typed text, query spring documentation and return 3 first results

Free android xml template for chat/messenger app.

关于进程间通信（IPC）几种方式的测试：使用Bundle，文件共享，Messenger，AIDL，ContentProvider，Socket

Android app which allows you easely create charts and graphs, save them on your device or share via Facebook Messenger.

Beautiful messenger for VK

Cross platform messenger

Desktop messenger. JavaFX. All messages are encrypted (RSA or AES). Special messages are encrypted twice. However, the keys are known only to the clients (the Diffie-Hellman protocol). Beautiful dark design.

Instant messenger write in Java for local and corporate environment

Web-Based Multi-Client Instant Messenger

Using the Java RMI midware for messaging traffic