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

Quickly match many regexes against a string

A graphical threads-with-tags style, lightweight and fast, e-mail client for Notmuch

R for Reproducible Scientific Analysis

Leo is an outline-oriented editor written in 100% Python.

NairobiLUG website - A lively community of GNU/Linux 🐧 enthusiasts

An application for controlling 2D plotters, cutters, engravers, and CNC machines.

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

Building Websites with Haunt & GitHub Pages.

Introduction to programming in Scheme