In theory, there is no difference between theory and practice. But, in practice, there is. attributed to Jan L. A. van de Snepscheut
I host some code, mostly in python, on github. Most of it is joint work with co-authors (and co-teachers).
Rule 8: The development of fast algorithms is slow! Arnold Schönhage
Academic software has some peculiarities. A Dagstuhl Perspectives Workshop addressed them with a manifesto.
multivariate_polynomials: Generating Functions for Special Multivariate Polynomials
polynomial_decomposition: Decomposing Univariate Polynomials over Finite Fields
baby-AES: Differential and Linear Attacks on baby-AES
Tutorials for Teaching
Python Tutorials: Introduction to Programming with Python
Data Science Tutorials: Jupyter notebooks for scikit-learn