Popular stencils
NetApp Storage
The latest NetApp stencil, including FAS6xxx and FAS3xxx series systems as well as the new DS42xx shelves. Ideal for creating physical diagrams.
Endian UTM Product Family
Stencil of Endian UTM product family. Ideal for creating physical diagrams.
Oracle Service Bus
Shapes used in the OSB Cookbook by Guido Schmutz et. al.
Juniper EX series stencils
Stencils for Juniper EX switches. Sized for 19" racks, works well with RackElements
Sun Microsystems: Tape Backup
This stencil contains tape backup equipment from Sun Microsystems.
Key Label
Organize your key locker
Diagrams for categories
Basics for making mathematical diagrams in category theory, abstract algebra, etc.
Windows 8: Portrait views
Portrait views for Windows 8.
Cisco CVD 2014 Healthcare Icons
Cisco released updated CVD Icons in many formats, but of course, no Omnigraffle stencil. These are built from the PNGs. http://www.cisco.com/c/en/us/solutions/enterprise/design-zone-smart-business-architecture/cvd.html This is the Healthcare Icons section.