Popular stencils

Free
Circle Flow Arrows

Circle Flow Arrows

Some circular arrows useful for illustrating repeating processes or flows.

Free
Math Symbols

Math Symbols

I got annoyed with writing and dragging symbols from LaTeX to OmniGraffle, so here's a fairly large list of math symbols. Included in the package: - Greek letters, upper and lower-case; - Binary relations, groups & sets, etc.; - Blackboard bold (double-struck) uppercase letters; - Hebrew letters; - Arrows, harpoons, loops...more

Free
iOS Gestures

iOS Gestures

The most often used gestures in iOS and other touch based platforms.

Free
AWS Simple Icons

AWS Simple Icons

Icons for AWS concepts and services. Current as of January 1, 2013.

Free
Cellular Components and Proteins

Cellular Components and Proteins

This is a collection of symbols for diverse proteins. It includes transmembrane proteins, transcription factors, kinases and enzymes as well as a representation of the nucleus and the mitochondrium. If you use this stencil for a publication, it would be kind to acknowledge the source (see website below).

Free
Laboratory glassware

Laboratory glassware

For preparation of daily chemical laboratory experiment and preparation of SOP, those are basic glassware drawings including beaker, flask, etc.

Free
Clean Machines

Clean Machines

Since I get a lot of feedback about how slow some stencils seem to function, and we're all too aware of performance on the very pretty yet complicated Network stencil, I've taken it upon myself to create some very spartan, almost abstract stencils of Apple machines, from the Second Era of Jobs. They are all to scale with each...more

Free
Money

Money

Money-related symbols. Includes currencies, credit card logos, etc.

$5.95
Unified Modelling Language (UML) - Sequence diagram notational symbols only

Unified Modelling Language (UML) - Sequence diagram notational symbols only

This stencil is useful for those that just need the sequence diagram / interaction diagram symbols from the Unified Modelling Language (UML). Update v1.1 - Aligned inconsistent magnet connectors - Added 3 elements (self message, found message & lost message)