Karabiner-Elements is a powerful tool for customizing keyboards on macOS

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your…

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

A cross-platform file change monitor with multiple backends: Apple OS X File System Events, *BSD kqueue, Solaris/Illumos File Events Notification, Linux inotify, Microsoft Windows and a stat()-base…

G-code generator for 3D printers (Prusa, Voron, Creality, etc.)

Open Source toolpath generator for 3D printers

Firmware for Original Prusa i3 3D printer by PrusaResearch

Toggl Desktop app for Windows, Mac and Linux

Powerful, fast and robust engine for converting 3D models into g-code instructions for 3D printers. It is part of the larger open source project Cura.

Slic3r with integrated electronics and Nonplanar slicer (see branches)

CurviSlicer: Slightly curved slicing for 3-axis printers

OpenSource 3D printer filament dehydrator / weight sensor with OctoPrint integration.

LED Candle that Looks, Lights, Flickers, Blows out, Smokes, and Smells Like A Real Candle

Monitor the emission of toxic chemicals from 3D printing