What are some alternatives?
When comparing Output Messenger and BeeBEEP, you can also consider the following products
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Feem - Share files offline. No servers. No cloud. No limits.
BORGChat - BORGChat is a LAN messaging software program.
Simple Chat - Simple Chat is a simple, opensource and powerful cross-platform client-server chat for local...
Ruler - It's a screen ruler for Windows.
Winpopup LAN Messenger - Winpopup LAN Messenger is a cost-effective Office, Corporate, Enterprise Instant Messaging solution.