A program for computing transverse invariant in cyclic branched covers by Lucas Meyers, Robert Quarles, Brandon Roberts, David Shea Vela-Vick and C. -M. Michael Wong - https://github.com/albenzo/transverse-hfk-revision

A program for computing Legendrian knot invariants, including linearized contact homology, ruling polynomials, and augmentation categories by Steven Sivek - https://www.ma.imperial.ac.uk/~ssivek/code/lch.sage

An excellet set of images and expository texts in contact geometry by Prof. Patrick Massot - https://www.imo.universite-paris-saclay.fr/~patrick.massot/en/exposition/

Legendrian Knot Atlas

KnotInfo

Conferences in Low-Dimensional Topology: https://sites.google.com/site/lowdimtopologyconferences/