Free, GPL-licensed cross-platform econometrics program with a GUI, the hansl scripting language and estimators for time series, panels and limited dependent variables
Open-source functional programming language and interactive theorem prover with dependent types, the Mathlib mathematics library and VS Code tooling, stewarded by the Lean FRO
R Foundation / R Core Team · Programming languages & runtimes
Language and environment for statistical computing and graphics, with the CRAN package archive and a strong base in academic statistics and econometrics