Basic Network Diagram

A perfect tool to draw basic computer network diagrams, designs, schematics, and network maps. Numerous stencils and templates.

IDEF1X Standard

Use Case Diagrams technology. IDEF1x standard - for work with relational data bases. IDEF1x standard is meant for constructing of conceptual schemes which represent the structure of data in the context of the concerned system, for example, a commercial organization.