JASP is a free and open-source graphical program for statistical analysis supported by the University of Amsterdam. It is designed to be easy to use, and familiar to users of SPSS. It offers standard analysis procedures in both classical and Bayesian form.
Go to my JASP resources
GNU PSPP is a program for statistical analysis of sampled data. It is a free as in freedom replacement for other proprietary programs, and appears very similar to it with a few exceptions. In my effort to bring low cost, powerful resources to our undergraduate and graduate students, I have used PSPP for statistical analysis.
Go to my PSPP Resources
Research Methods in Education Sciences is a Creative Commons textbook intended for use in undergraduate or introductory fradiuate research methods courses.
Go to my Research Methods resources