LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Printix - Printix is a cloud-based print management platform.
Feem - Share files offline. No servers. No cloud. No limits.
PrinterLogic - PrinterLogic is an enterprise print management software.
BeeBEEP - You can message and share files inside your intranet without a server.
directprint.io - Printer management for Chromebooks & Windows.