Open source softwares

https://www.python.org/downloads/

--PHP & MySQL (from WampServer)

http://www.wampserver.com/en/

Statistical Analysis Program

--R

https://cran.cnr.berkeley.edu/

--GPower

http://www.gpower.hhu.de/en.html

--Optimal Design

https://sites.google.com/site/optimaldesignsoftware/home

Editing Programs

-- NotePad++

https://notepad-plus-plus.org/download/v7.1.html

--Sigil

https://github.com/Sigil-Ebook/Sigil/releases/tag/0.9.6 (There is a link to the exe file at the bottom of the page.