LAN Messenger

A free, open-source instant messaging application for local networks.

LAN Messenger lets you exchange messages and files with other users on your local network. No dedicated messaging server or internet connection required.

Features

• Instant Messaging: chat with other users on your local network.
• Encrypted Messaging: protect message privacy with AES-256 encryption and RSA-2048.
• Broadcast Messages: send messages to everyone on the network or select specific recipients.
• File Transfer: send files directly to other users on your local network.
• Contact Groups: organize your contacts into groups for easier navigation.
• Message History: access your previous conversations.
• Serverless Operation: communicate over your local network without setting up a dedicated messaging server.
• Offline Network Operation: keep communicating over your local network when internet access is unavailable.
• Multiple Languages: use the interface in any of the 20 supported languages.
• Cross-platform Support: available for Windows, macOS, and Linux.

Screenshots