Here you can find links to software I have written or contributed.
Lenstool (java applet,
sadly defunct now in many browsers)
Caustic Finder (C code to calculate microlensing critical curves and caustics using
Witt 1990/1991)
causticfinder-py (jupyter notebook version of causticfinder)
lightcurvefinder (jupyter notebook to calculate microlensing light curves using
Witt 1993)
qrexam (python scripts for online marking of exams)
Robert W. Schmidt, rschmidt (usual mail symbol) uni-heidelberg dot de (17-02-2020)