Scriptable Headless Browser

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Haptic input knob with software-defined endstops and virtual detents

Portfolio Optimization and Quantitative Strategic Asset Allocation in Python

TreeSheets : Free Form Data Organizer (see strlen.com/treesheets)

Network utility for sending / receiving TCP, UDP, SSL, HTTP

WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows

Main VirtualGL repository

C++ Crash Course

Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.