Xanthian's Whistle links - an excellent resource!
Computer Magic (InterJet specialists), including a great InterJet model reference
Terry Lambert on embedded systems
Jim Li and VC for Whistle
ReachAndTeach.com Interjet training page
Dave Barnes' Whistle page - excellent hardware information.

Official Resources

• Official InterJet II info - decommissioned 02/2004, but you can check the Wayback archive
  
• Whistle FTP site - no longer available
  

Interesting posts and threads:

• Announcing the whistle "Interjet"! (Julian Elischer, 09/21/1996)
• COM2 and BIOS (Julian Elischer, 05/23/1998)
• Julian commits Netgraph (Julian Elischer, 10/21/1999)
• A good thread about IBM, FreeBSD and InterJets (11/29/2000) (and old Geocrawler link)
  • post from Terry Lambert with some UI info
  • post from Terry Lambert about buying vs. leasing and hacking
• Terry on filesystems (10/25/2000)
• more Terry on filesystems (05/11/2002)
• praise from Andrzej Bialecki about Whistle and InterJets
• Terry on soft updates (12/14/1999)
• more Terry on soft updates (12/12/2001)
• InterJet /etc symlinks (Julian Elischer, 04/09/2002)
• a good hacking/history thread from Julian (06/24/2002)
• installing FreeBSD and Windows on InterJets (Julian Elischer, 07/07/2002)
• Jeremy Allison on Whistle vs Cobalt (07/01/2005)
• Reddit post from Thijs Mourits with significant history and details (10/12/2020)