Here are some useful software links:
Excel Resources:
Excel Tutorials (Clemson University, Physics Dept.)
Basic Graphing in Excel (North Caroline State University)
How to Plot Data in Microsoft Excel (California Polytechnic State University, Physics Dept.)
How to Use Excel for Graphing and Calculations (University of Colorado, Chemistry Dept.)
Fathom Resources:
Fathom Movies
Fathom Data & Simulations
Fathom Workshop
LaTeX Resources:
CTAN - the Comprehensive TeX Archive Network
LaTeX Support (University of Virginia, Information Technology & Communication)
Getting Started with LaTeX (Trinity College Dublin, School of Mathematics)
Online Tutorials on LaTeX (TeX Users Group)
Getting to Grips with LaTeX (University of Leeds, School of Computing)
LaTeX Online Tutorial (German University in Cairo)
LaTeX Tutorials (University of Southern Queensland)
LaTeX Resources (University of Melbourne)
LaTeX Tutorials (Indian TeX Users Group)
Maple Resources:
Maple Video Tutorials
Getting Started with Maple (Indiana University, Math/Stat Center)
Maple Help Sheets (Kettering University)
Online Help - Maple (University of Maryland)
Mathematica Resources:
Mathematica Tutorials
Getting Started with Mathematica (Indiana University, Math/Stat Center)
A Brief Introduction to Mathematica (Purdue University, Computer Science Dept.)
Online Help - Mathematica (University of Maryland)
Mathematica Tutorial (University of North Carolina at Chapel Hill)
Beginners Mathematica Tutorial (University of Washington)
Minitab Resources:
Getting Started with Minitab (Indiana University, Math/Stat Center)
An Introduction to Minitab (Acadia University, Dept. of Mathematics & Statistics)
Minitab Tutorial (Cornell University)
Guide to Minitab Commands (Kettering University, Dept. of Science & Mathematics)
Minitab 14 for Windows (University of Reading, Section of Applied Statistics)
Minitab 14 Regression Tuttorial (McMaster University, Chemical Engineering Dept.)
Meet Minitab 15
Scientific Notebook Resources:
Scientific Notebook Website
Using Scientific Notebook: The Basics
Introduction to Scientific Notebook
SPSS Resources:
Getting Started with SPSS (Indiana University, Stat/Math Center)
SPSS Tutorial (University of Toronto, Psychology Dept.)
SPSS Tutorial (Furman University, Computer Science Dept.)
SPSS Tutorial (North Carolina State University)
SPSS Tutorial (University of Scranton, Psychology Dept.)
Resources to Help You Learn and Use SPSS (UCLA, Academic Technology Services)
SPSS Tutorials (Texas A&M University, Dept. of Statistics)
SPSS On-line Training Workshop (Central Michigan University)
SPSS: Getting Started (University of Texas)
Stata Resources:
Resources for Learning Stata
Stata Tutorial (Princeton University, Dept. of Economics)
Stata Tutorial (University of North Carolina, carolina Population Center)
Resources to Help You Learn and Use Stata (UCLA, Academic Technology Services)
A Brief Introduction to Stata (University of Illinois, Dept. of Econometrics)
Stata (Syracuse University)
Stata Tutorial (Brown University, Economics Dept.)
Brief Guide to Stata Commands (University of Maryland, Dept. of Government & Politics)