Open Source Java Messaging Platforms

Telegram is a wonderful and private messaging app that offers simple, fast, secure and synced messaging for all your devices. It delivers messages faster than any other application; cloud-based so you can access your messages from any device; and very secure, with messages heavily encrypted and could even self-destruct. Telegram is simple and fun to use, with powerful photo and video editing tools as well as an open sticker/GIF platform to let you express yourself fully. It’s also incredibly powerful. Whether you’re setting up a group chat for up to 200,000 members or sharing large videos or documents, Telegram is up to the task. Best of all it’s completely free and open source, with no ads or subscription fees.

Fall in love with texting all over again with QKSMS! QKSMS is a beautiful, simple and customizable open source replacement to the stock messaging app on Android. It's got a clean, clutter-free intuitive design that lets you focus on what matters, plus millions of colors to choose from to make the theme of the entire app truly your own. QKSMS has some powerful features, including photo sharing, group chat, conversation blocking, message backup and restore and more. It's got everything you need from a text messaging app, plus all the fun features that make for a great text messaging experience. Simply put, QKSMS makes texting magical again, just the way it should be!

This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website by using their Facebook credentials. Enable people to post to Facebook from your app. People can share, send a message, and share to stories. Understand people's actions in your app and measure the effectiveness of your Mobile App Ads. Get data in and out of Facebook's social graph, query data, post stories, upload photos and perform other tasks.

CIM(CROSS-IM)A developer-oriented system, provides components to help developers build their own distributed instant messaging system that can be a horizontal scaling IM. CIM is an IM Instant messaging system, can be applied as a message push middleware. IOT Message transparent transmission middleware in massive connection scenarios. Provides flexible horizontal expansion and contraction according to the actual situation. The server automatically removes offline clients. Client reconnects automatically. You can use Google Protocol Bufferefficient codec. Its protocol supports message encryption. Store routing information, account information, online status, etc. of each client. Message routing server; used to process message routing, message forwarding, user login, user offline, and some operational tools (obtaining the number of online users, etc.).

Signal Server is the official backend server component that supports the Signal Private Messenger ecosystem on Android, iOS, and desktop platforms, serving as the trusted message relay, contact discovery, and push notification hub while the clients handle end-to-end encryption. Built in Java and licensed under the AGPL-3.0 license, this server software handles protocols for delivering encrypted messages, synchronizing user metadata like public keys and push tokens, and providing REST and service APIs for the client apps to interact with. Although cryptographic operations and message confidentiality are managed by the client side using the Signal Protocol, the server ensures message routing, user registration, and group updates without having access to the decrypted contents. Its codebase is public to ensure transparency and auditability for a security-focused community willing to inspect how message metadata and delivery mechanisms are implemented.

All in one social network browser app provides easy access to all social networks and other useful applications in one application which makes it easy to share your most recently used apps. It includes applications such as G Mail, Messenger, Whats App, Google Drive, Google Slides, Google Duo and much more. Simultaneously it lets you access all the application. Disclaimer:- All websites featured in the app have gone through a permission process.

Kraken is a continuation of the Openfire IM Gateway plugin, but in a way that works for any XMPP server. It provides a way for XMPP users to log into, and communicate through, their legacy IM accounts such as AIM, ICQ, MSN, Yahoo, and friends.

JML is a java Msn Messenger library that supports MSNP8-MSNP15. It is optimized for multiple users and is intended to be very easy to follow and use.

GOIM is a Jabber client with special features targeted at gamers. It is based on the eclipse rcp and will include all major jabber features in addition to displaying who in the roster is playing which game on which server and other game related features.

IpChat is a comprehensive network communication tool, similar to a regular instant messenger. However IpChat unlike other IM networks is completelly decentralized, requiring no pre-existing server.

Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate. Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices. If the Internet's down, Briar can sync via Bluetooth or Wi-Fi, keeping the information flowing in a crisis. If the Internet's up, Briar can sync via the Tor network, protecting users and their relationships from surveillance.

Securely cipher your message or file, share it, safely de-cipher it.

Island is a Serverless LAN Based Instant Messaging Tool that reaches anyone in the same subnet by using TCP/IP broadcast notifications. There is no need to add contacts since all of them are there.

A server-free chat for local networks.

A simple an easy to use Instant Messenger application to use on networked computers. Minimal to no setup required.

Anonomi Messenger is a free, open-source Android messaging application designed for private communication in environments where surveillance and network restrictions are concerns. It uses decentralized peer-to-peer connections without relying on central messaging servers. Online communications can travel through Tor, including bridges when direct connections are blocked. Offline messaging works through Wi-Fi, Bluetooth, and external storage using store-and-forward transfers. Its design emphasizes reducing metadata exposure and maintaining communication when internet access is unavailable. Integrated Monero payment requests use unique subaddresses to avoid persistent payment identifiers. Offline maps support location sharing and navigation with imported map tiles. The application provides verifiable APK releases and is distributed through F-Droid.

AJIM is a pure JAVA instant messenger software. It uses the Smack API for the XMPP (Jabber) protocol.

Azonto is a Cross-Platform Mobile Messaging Application that allows users to share images, songs, videos, create and add each other to groups. It is for the trendy who wants to be on top of the mobile messaging game.

This web service developped in Java provides WebForum services on the IMAP4/POP3 protocol : you don't need database, and common messaging tool like Netscape Messenger or Outlook permits to create/delete new forum and to moderate messages.

A secure alternative to the BlackBerry Messenger.

CalLite è il software per Call Center più versatile e veloce sul mercato. Ti permette di azzerare le perdite di tempo degli utenti (operatori, agenti, supervisori, coordinatori, ecc. ecc.) per massimizzare i guadagni. Il software dispone delle funzionalità: PowerDialer, ProgressiveDialer, PredictiveDialer ed AutoDialer. Ovunque siano (da casa o in ufficio), i tuoi operatori potranno lavorare con una semplice connessione internet. Tu potrai, da ogni dispositivo fisso o mobile, amministrare e controllare l’attività del tuo Call Center.

Chat Messenger written in Java using sockets, contains a server-side app and a client-side app connecting to a SQLite DBMS Programmed by a group of Egyptian ITIians from Intake 33 * Sherif Mosa * Yosrah Ibrahim * Mostafa Magdy * Yasmin Abd Elhameed

It is an instant messaging client. Crony IM has support for some commonly used instant messaging protocols, allowing the user to log into various different services from one application. like LAN, GTalk, Yahoo, Facebook.

The goal of CryptoJIM project is to create a cross platform instant messenger with support for a central encrypted message archive, transparent message encryption and several IM Protocols. At first priority it will support the ICQ Protocol.