GuideMia gTok is a peer-to-peer communication software. It will need Microsoft Visual C++ redistributable package to run properly. It does not run on any server but your device. In the moment it is only for Windows 10 or 11. It can send individual files, automatically pack and send a set of files, text messages and emojis. It can also make video and audio calls. It also supports group chatting and desktop sharing.
It also includes a 3D file viewer for STL/PLY files.