BeeBEEP is an open source local area network chat tool capable to transfer files between computers. BeeBEEP supports secure network chat without installing a separate server on each computer, so you can interact freely within your office, home or cafe without an internet connection. Minimize your chat sessions to System Tray or even add your personal HTML code in chat.
Squiggle is another open source free server less LAN messenger, just download it and start private chat sessions within your local network or transfer your important files on the go. Requires .NET Framework 4.0 with Windows 7 or higher.
AChat is a free software for chatting within your local network. Send files, send messages to live hosts as well as to those who are currently offline. There is no server installation required for AChat. It supports private individual messages and also private sessions, and with public chat, you can build local meeting sessions. AChat is capable to record your chat logs, and requires no server installation on local network computers.
4.LAN Messenger is another free & open source cross-platform instant messaging application for communication over a local network. It does not require a server.
Some of its features include:
- Instant Messaging
- Message History
- Personal and Group Messaging
- File Transfer
- Broadcast Message.
- LAN Messegner Download for free