To display a record of information in a graphical interface, pie charts, bar diagrams, and other such chart diagrams are the best ways to present or communicate information visually. If you don’t have ...

Draw.io is a free online chart maker that lets you create organizational charts. It provides plenty of templates using which you can create custom charts easily. If you want to create a completely new ...

This is the first in an occasional series on Web apps that can take the place of pricey (or even free) desktop software. Need to create a diagram, flow chart, or the like? Microsoft's Visio has long ...

After a three-month trial period, PDF versions of NOAA nautical charts will become a permanent product, free to the public. The free PDFs, which are digital images of traditional nautical charts, are ...