Popular stencils
Diagramming Reactive Systems
Graphical notation that is used to depict message flows from the Reactive Design Patterns book written by Roland Kuhn with Jamie Allen.
Barco E2 Frame and Cards
This is a comprehensive stencil of the Barco E2 frame with all available I/O cards. You can un-group and move the cards around and re-group.
Luminex AV Network Switches
Wiring diagram blocks for Network Switches from Luminex for use in network AV systems.
Pictos Outlines Icon Set
180 icons from the Pictos icon sets. Remastered & restyled. Hand crafted, infinitely scalable, and royalty-free.
Corsair SSDs
The current line of SSDs for Corsair.
Synthetic Biology Open Language Visual (SBOL Visual), version 1.0.0
Stencil corresponding to symbols from SBOL Visual 1.0.0. Useful for creating diagrams of synthetic biology pathways and circuits. See description provided in BBF RFC 93 (DOI: 1721.1/78249). Please note that all credit for this stencil goes to the authors of BBF RFC 93. I've simply uploaded this stencil for convenience.
TANTRIX
Stencil for the TANTRIX puzzle drawing.
RoboMind graphics
some graphics from robomind (http://www.robomind.net/en/), which is software specifically developed to support technology education. you can now build robomind maps directly in OmniGraffle.
Activity on Node Network
Stencil for creating critical path network analysis (activity on node) diagrams.