- Econometrics Toolbox: by James P. LeSage
- School of Economics, Fudan University
- Foxit pdf reader: A free pdf reader. You can define your own shortcuts such as highlighting, so it is very convenient for reading literature.
- LyX: "LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG). LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a graphical interface."
- Mathpix: "Convert images to LaTeX."