Disk Space Analyzer is an easy to use the program that can help you analyze disk space usage. It shows directory tree along with the size information with diagrams. You can use it to easily explore and analyze disk space and search for duplicates.

FlowBiz Charter is an easy to use flowcharting program. Use it for flowcharts, organizational charts, network diagrams, and more. Record who performers/relates to each item in the chart. Export to gif, jpeg, wmf, emf, png, bmp and rtf formats.

A shareware schematic editor for drawing and publishing electronic circuit diagrams; operating on Windows and Linux with built in netlister and Bill of Materials generator. Schematics can be transferred across operating systems.

Screen Tracing Paper overlays a transparent digital sheet over your PC desktop so that you may trace diagrams and designs, giving you measurement capability in any situation. Position, area and circumference can be calculated, with accuracy.

Create flow diagrams, org charts, program flowchart and other business and technical diagrams rapidly. Abundant flowchart templates, flowchart symbols and flowchart samples will help to quickly create most common flow diagrams.

Create flowcharts and similar diagrams. Drawing boxes or symbols of many shapes and connect them with lines of various types. With full zoom, OLE, graphics import and export, curves, flow symbols.

ConceptDraw is a comprehensive business and technical diagramming software with advanced drawing tools, task-specific wizards and extensive libraries of ready-made shapes. Supports MS Visio diagrams. Mac OS X and Windows versions

Perfect business and technical diagramming with rich templates and examples. It is a vector-based graphic design software, quickly create illustrations, documents, manuals, posters, schemas, plans, flow charts, org charts, network diagrams, UML etc.

ConceptDraw NetDiagrammer is a computer network diagramming, LAN scanning tool. It allows you to draw professional network and system diagrams,UML diagrams,schematics,flowcharts

Imagemap applet which can manage complex polygonal and discontinuous image-switching hotspots. Ideal for real-world diagrams where the user locates important places visually and then rapidly extracts the information with a context-sensitive display.