Monos is an implementation of the O(n log n) algorithm to construct the straight skeleton of a monotone polygon.
It is written in C++ using CGAL (5.0).
An ipelet written in lua for the ipe drawing editor.
This bisector ipelete enables ipe to draw (weighted) point and line bisectors using a single shorcut.
Simply copy the .lua file in your ~/.ipe/ipelets/ directory to use it.
Roofer is written in C++ using CGAL. It computes the minimum-/maximum-volume natural roof over a given simple polygon.
Description of these roofs can be found in our paper 10.1142/S0218195918500097.