Note: Matlab is required for distance students. Local students have access to departmental site license.
Academic Software
You can get a free version of Maple 5.4 (demo) here.

Bear in mind that it is very limited, but it is totally free! You can use it to perform simple algebraic operations, plots and solves.

TISEAN Nonlinear Time Series Analysis Software

Nonlinear Dynamics Software [U. Tennessee Knoxville, archive]

Numerical Software to accompany the textbook for this course.