Here's one I've downloaded to my computer and find useful.  It's in .pdf format (Adobe Acrobat).  It is English-Old Norse only, but you can use the search feature to look for Old Norse words.
 
http://www.yorku.ca/inpar/language/English-Old_Norse.pdf
 
Laurel
----- Original Message -----
From: Lenon Kramer
To: norse
Sent: Saturday, September 06, 2003 9:50 AM
Subject: [norse_course] dictionary

Heill
 
Where i can found a good dictionary english-old norse in the net?
 
Wassail
 
Lenon Kramer