Comedi
Comedi is a collection of drivers for a variety of common data acquisition plug-in boards.
17 Alternatives To Comedi
DraftSight
Discover Dassault Systèmes®’ DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
Emulino
an emulator for the Arduino platform by Greg Hewgill
FlowCode
Flowcode is a graphical programming language and IDE for devices such as Arduino or PIC microcontrollers as well as Raspberry Pi.
FlowStone
FlowStone - the new graphical computer programming tool that allows you to create your own standalone programs quicker and more easily than ever before, download for FREE!
KiCad
A Cross Platform and Open Source Electronics Design Automation Suite
LibreCAD
An open source 2D CAD application for Windows, Apple and Linux.
Pure Data
Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical…
QP Modeler
QM is a free graphical modeling tool for designing and implementing real-time embedded software in…
QUCS
Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
SketchUp
3D for Everyone
SynthEdit
Visual programming software to build your own synthesizer.
TurboCAD
TurboCAD is a CAD software suite, with several different feature levels.
Virtual Breadboard
It is a circuit simulator on a virtual breadboard.
Vvvv
vvvv is a graphical programming environment for easy prototyping and development.
itom
itom is an open source software suite for operating measurement systems, laboratory automation and…
myOpenLab
MyOpenLab is a platform for finished elements (program components) that can be linked together.
nanoCAD
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability.