Jeffrey C. Johnson: Inventor of the directory tree and XTreeGold tells the XTree story.
Sutton Library Computer Club: Detailed articles on using XTree.
Unofficial Volkov Commander Site: Fan page for the Norton Commander clone program. Instructions on installation, use, and download, icons, fonts, and plugin utilities.
Volkov Commander: Official homepage of the NC-Clone, free download of the latest version. English and German versions.
XTree Fan Page: Dedicated to the legendary XTree filemanager, containing version history, survey of Shareware-clones, tips and tricks, download section, FAQ.