Comedi
Comedi is a collection of drivers for a variety of common data acquisition plug-in boards.
17 Alternatives To Comedi
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DraftSight
Discover Dassault Systèmes®’ DRAFTSIGHT™ Professional CAD software that lets you create, edit, view and markup any kind of 2D drawing. Learn more here.
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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.
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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.
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Pure Data
Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical…
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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.
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TurboCAD
TurboCAD is a CAD software suite, with several different feature levels.
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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.
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nanoCAD
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability.