Some pieces of Software I found useful
- R. RStudio interface | Useful R packages for Finance [link to CRAN page] 
- STATA: kountry STATA addon for normalizing country names and codes [link] 
- Getting Bloomberg data into R [link] 
- Jupyter Notebooks for R & Python- try online [link] 
- DSGE modelling software: gEcon package for R | Dynare | DSGE in STATA 
- LaTeX using Overleaf or Lyx | Easy figures in TikZ using MathCha that you can create online and then copy into LaTeX or Lyx | 
- R/STATA Packages for Panel Dif-In-Dif and related: - Synthetic Difference in Differences (R package synthdid) Dmitry Arkhangelsky, Susan Athey, David A. Hirshberg, Guido W. Imbens, and Stefan Wager. 2021. Synthetic Difference in Differences, AER.