Open Source Messaging Platforms

BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net

Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.

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.

P2PChat is a instant messenger based on Java, JavaFX and direct IP connections.

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.

The I/N Messenger application. This is an open source instant messenger program using a mySQL backend and VB.Net frontend. We are currently in closed beta testing but will go open beta later on once major bugs are fixed. Please email if you want to test!

IXSF Messenger is a java-based messenger with file transfer option. Java Runtime Environment (JRE) 1.4 or higher is required. This application is built in two parts - server and client. Server part serves client's requests.

IMGIANT is a GTK based instant messenger application. It will support 8 different protocols, (aim, yahoo, icq, msn, napster, jabber, gadu, groupwise) and contain all features that an Instant messenger should contain, including more it shouldnt!

This project is no longer active...

The LanChat Messenger is a series of batch files that interatct together to form a system in which you can communicate with other machines on your network as long as the machine can map a network drive, execute batch files, and change files and folders. The Lanchat Messenger was inspired from another work of messaging, it was extremely simple and easy to use. My messenger works towards the same goals with the advantage of customizable features and adaptable windows.

This is a Instant Messenger for mobile(j2me enabled), Currently Supporting Jabber protocol.

MulticastCommunicator is a multicast-based peer-to-peer instant messenger, which allows rapid file distribution, text chat and data exchange within a multicast group, e.g. a LAN. It is written in Java and uses an easily-extensible message chain concept.

Output Messenger is a distraction-free collaboration tool which brings all your communications at one place. You can avail persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag & drop and clipboard , Hotkeys etc. This intranet messenger provides you centralized control on user groups and client settings . Moreover, its now having in-built private social network.

SimplissIM is a simple instant messenger for local networks where people want to chat, not tweak their software settings. Automatic presence, no server needed, no list of contact to maintain (people appear automatically), seamless file sending...

ZIM-Pro - A P2P Instant Messenger based on Jxta Technology. Its features: Search for users by key words and location and add to contact list. Secure Messaging, Chatting, and File sharing, Invite offline users through E-mail, Message archiving, etc...

An Instant Messaging App which utilizes the newly released facebook.com developer API (developers.facebook.com) to merge Instant Messaging with the facebook.com community experience.

This is a java based LAN messenger with file transfer support, chat and even a simple LAN game