Popular stencils
Free
Energía Eólica
Librería para hacer diagramas eléctricos de sistemas de generación eólica.
Free
RabbitMQ
Another take on RabbitMQ and AMQP stencils with all vector graphics.
Free
Perl Fridge Magnets
A throwaway line in an Omni newsletter prompted this. Insanity, but there you have it.
Free
CTERA Networks
CTERA Networks CloudPlug, C200, C400, & Portal.
Free
Boolean Gates Plus
This is an expanded and enhanced boolean gates stencil offering more inputs, outputs and a greater variety of NAND and NOR gates. Spiffy!
Free
AWS Deployment Icons
AWS Simple Icons for Architecture Diagrams from http://aws.amazon.com/architecture/icons/ converted to stencils.
$19.00
Facebook Wireframe Stencil
Facebook wireframe components from the Facebook Stencil Kit.
$29.00
Android 3 Phone Stencil
Android 3 Phone user interface components from the Android Stencil Kit.
Free
Theoretical Computer Science: Automata
Symbols for Finite Automata, Pushdown Automata and Turing Machines