What are some alternatives?
When comparing SuperTintin and LAN Messenger, you can also consider the following products
Call Recorder - Record Mac Skype Calls - Automatically record and save call audio and video on your Mac.
Ruler - It's a screen ruler for Windows.
Callnote Audio Video Call Recorder - Callnote Video Call Recorder for Skype, Hangouts, Meet, Facetime, Facebook Messenger, Viber, GoToMeeting, Zoom Calls. Edit, Transcribe, Share Recordings.
BeeBEEP - You can message and share files inside your intranet without a server.
Django Automatic Call Recorder - Django Automatic Call Recorder: A full featured Call Recorder for your device.
Feem - Share files offline. No servers. No cloud. No limits.