FreeDFD is an editor and flow-chart interpreter for the Windows 7 and Linux (with Wine) operating systems that allows working on simple as well as complicated algorithms.
Flow-charts created on FreeDFD can be carried out and refined from the applications interface. Assignments, decisions, loops or outputs are some of the examples of objects that can be inserted in the diagrams.
To quickly start working with FreeDFD its recommended that you take a look at the programs tutorial by clicking: here.
You will need WinRAR to decompress the file.