6 ms·

If I recall, the old "Hotline" protocol is UDP based. There should be a Java implementation of that somewhere, and there is a VB6 one somewhere as well. KDX is

by Rust 16y ago

If I recall, the old "Hotline" protocol is UDP based. There should be a Java implementation of that somewhere, and there is a VB6 one somewhere as well. KDX is also UDP based for file transfers, but I don't know if it's OSS or not.