BeeBEEP is a secure network chat. You can talk and send files with all your friends inside a local area network such of an office, home or internet cafe without a server.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux



The best open source alternative to LAN Messenger is BeeBEEP. If that doesn't suit you, our users have ranked more than 25 alternatives to LAN Messenger and nine of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to LAN Messenger are Lan Messenger (outdated), Squiggle, IntraMessenger and Secure copy.
BeeBEEP is a secure network chat. You can talk and send files with all your friends inside a local area network such of an office, home or internet cafe without a server.



LAN Messenger is a decentralized UDP IM-style chat client which supports usernames, guaranteed-delivery IMs, broadcast chat, encryption, file transfer, simple UI, persistent settings, and IP blocking.




Create your own Instant Messenger communities! Uniquely designed and fully centralized under your (admin) control. Server (open source PHP/MySQL) provides great flexibility, including the external authentication possibility (e.g. : forum, CMS, blog, PGI, CMR...).
Secure copy or SCP is a means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol.

KouChat is a simple serverless chat client for local area networks (wifi). With KouChat you can communicate with other KouChat users, without configuring a server, or accessing the Internet.




It doesn't need a server and runs on Win, Unix and Android - what more do you need?


SUM is a simple secure desktop instant messenger for local networks. No server infrastructure is needed. All communication is encrypted and nothing saved on any server.



It's File Transfer and not Instant Message.