Nassi Schneiderman flowcharting techniques are one of the most overlooked stratagems that can be used effectively in program design and development.

They are particularly suited for complex algorithms that consist of nested inner-loops and conditional branching.

In these cases, they are the "De-Facto" standard for helping to not only visualize the concept; but easily incorporate changes, enhancements, and modifications in a structural and visual manner.

More can be found out about them, here

TheObjectIs.com has provided a set of FREE templates that you can use in your own projects to quickly help you maintain more control over your design with ease.

Moreover, other developers will easily be able to understand your work; thus helping you to complete your project on time, or even ahead of schedule.

They're really simple to use. Just download, extract and then open Visio and add them into your "My Shapes" collection and your all set!

If you'd like to see an example of how TheObjectIs.com used an NSF using a real world example, click here