Here are a couple of methods for communication
- The IRC channel #ranger on freenode
- The mailing list ranger-users (archive)
- Bug tracker on GitHub
- Direct e-mail to the author: hut at hut.pm
Ranger can be found on...
The lead developer is a poor student, so if you like the program, please consider sending some bitcoins his way to the address 1NeshVsKwMXa2F87yobBuXFXmi3JKcCamW