Popular stencils
Free
pfSense firewalls
pfSense Firewalls 4860, 8860, 4860-1u, 8860-1u
Free
Entity Relationship
Entity Relationship models for design database diagrams.
Free
Barco Folsom Switchers
Stencils for Encore, FSN, ScreenPRO I, etc
Free
TYPO3 4.7 BE GUI
Basic Elements of a TYPO3 Back End. Useful for designing BE Modules.
Free
ADC-PSC Series Power Supply 12-15W
These symbols are used with my other PLC and AutomationDirect symbols.
Free
Audio Mixer
Basic connections found on audio mixers.
Free
Perl Fridge Magnets
A throwaway line in an Omni newsletter prompted this. Insanity, but there you have it.
Free
6.170 stencils
Stencils for the 6.170 Laboratory in Software Engineering course at M.I.T.
Free
Ladder Logic: Immediate Instructions
Direct Logic: Ladder Logic. Use these in Keynote to animate blocks of code. This stencil is #5 of 8