Squiggle Squiggle is a free server-less peer to peer LAN messenger. Just download and run it and you're ready to talk to everyone on your LAN. Free Open Source Windows Portable Add a feature 4 Like
qchat QChat is a simple crossplatform LAN chat. It is written using Qt4 so you can compile it on any platform supported by Qt. Free Open Source Mac OS X Windows Linux No features added Add a feature 4 Like Discontinued official web site appears to have not been updated since 2008.
Winpopup LAN Messenger Winpopup LAN Messenger is a cost-effective Office, Corporate, Enterprise Instant Messaging solution. Free Personal Windows No features added Add a feature 6 Like
IP Messenger Very simple, lightweight, and compact size IP based messenger which used by almost all Japanese companies and its affiliates. IP Messenger is one of the awesome tool... Free Windows Android No features added Add a feature 8 Like
BORGChat BORGChat is a LAN messaging software program. It has achieved a relative state of popularity and it is considered to be a complete LAN chat program. Free Windows No features added Add a feature 7 Like
Simple Chat Simple Chat is a simple, opensource and powerful cross-platform client-server chat for local networks and the Internet. Features Open-source software Simple... Free Open Source Mac OS X Windows Linux Built-in File transfer Extensible by Plugins/Extensions Add a feature 3 Like Discontinued Last version, 2.3.3, was released on 31 August 2014. It can be still downloaded from the official website.
Bopup IM Suite Organize secure messaging system and communicate instantly via self-hosted IM server. Commercial $ $ $ Windows Android Portable Real time collaboration Add a feature 4 Like
jMessenger An open-source java based chat and file-transfer application Free Mac OS X Windows Linux Portable Add a feature 2 Like
Vypress Chat Vypress Chat is a user-friendly application for real-time chatting in small office or home office (SOHO) local networks. This unique chat software features an... Commercial Windows Linux No features added Add a feature 2 Like
IBM Sametime IBM Sametime instant messaging products integrate real-time social communications into your business environment, providing a unified user experience through instant... Commercial Mac OS X Windows Linux Android iPhone ... Android Tablet iPad Real time collaboration Add a feature 2 Like
Smarsh Instant Messenger smarshIM Mobile is a free application download that requires a paid account on the smarshIM service to operate. smarshIM is a turnkey corporate instant messaging and... Commercial iPhone No features added Add a feature 1 Like
IntraMessenger Create your own Instant Messenger communities! Uniquely designed and fully centralized under your (admin) control. Server (open source PHP/MySQL) provides great... Free Open Source Windows Linux No features added Add a feature 1 Like
Network Assistant Network Assistant is a multiple-mode user-friendly network communication utility, including real-time chat, shared whiteboard, message board and instant messaging. It is... Commercial Windows No features added Add a feature 3 Like
Output Messenger Private and Secure Instant Messenger for Office designed specifically for keeping remote employees and multiple offices in sync. "Give your team the freedom to... Commercial Mac OS X Windows Linux Android iPhone ... Self-Hosted Group chat Integrated Chat Integrated File Sharing Share your screen Add a feature 8 Like
BigAnt Office LAN Messenger BigAnt Office LAN Messenger offers rich features for secure and stable business communication. Including instant messaging, group discussion, remote desktop sharing... Commercial Windows No features added Add a feature 7 Like
