Here are some resources for carrying out linguistic research:
https://experimentalfieldlinguistics.wordpress.com/
Blog with discussion about fieldwork ethics (e.g. for child language research in the field): http://www.paradisec.org.au/blog/2012/10/researching-child-language-in-the-field-october-lip/
Download DMDX: http://www.u.arizona.edu/~kforster/dmdx/dmdx.htm
Orthographic Overlap Calculator
http://www.pc.rhul.ac.uk/staff/c.davis/Utilities/MatchCalc/
Random Number Generator: http://www.random.org/
R statistics: http://rstatistics.net/
Online surveys: http://www.surveymonkey.com/