Instant messaging clients programmed in Java

privacy-focused encrypted messaging app

Jitsi (from , "wires") is a collection of free and open-source multiplatform voice (VoIP), video conferencing and instant messaging applications for the Web platform, Windows, Linux, macOS, iOS, iPadOS, watchOS, and Android. The Jitsi project began with the Jitsi Desktop (previously known as SIP Communicator). With the growth of WebRTC, the project team focus shifted to the Jitsi Videobridge for allowing web-based multi-party video calling. Later the team added Jitsi Meet, a full video conferencing application that includes web, Android, iOS, iPadOS, and watchOS clients. Jitsi also operates me

TextSecure was an encrypted messaging application for Android that was developed from 2010 to 2015. It was a predecessor to Signal and the first application to use the Signal Protocol, which has since been implemented into WhatsApp and other applications. TextSecure used end-to-end encryption to secure the transmission of text messages, group messages, attachments and media messages to other TextSecure users.

encrypted private messenger

encrypted instant messenger app (IM)

'''Plouf's Java IRC (PJIRC''') is a web-based open-source IRC client that is written in Java. Any web browser that supports the Java Runtime Environment, or an alternative Java interpreter, can use the applet. Many IRC networks have a public installation of the applet for their network.