Mapsoft miniCAD is an easy to use and affordable CAD package. Originally designed for Surveyors the program supports the following:



Autodesk Tinkercad is described as 'Tinkercad is a super easy-to-use, browser based 3D design tool. With Tinkercad you can create 3D printable items: toys to play with, decoration to light up your home or jewelry to express yourself. You dream it, you can make it!' and is a CAD software in the photos & graphics category. There are more than 50 alternatives to Autodesk Tinkercad, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and iPhone apps. The best Autodesk Tinkercad alternative is SketchUp. It's not free, so if you're looking for a free alternative, you could try OpenSCAD or Dune 3D. Other great sites and apps similar to Autodesk Tinkercad are Autodesk AutoCAD, SOLIDWORKS, Autodesk Fusion and Onshape.
Mapsoft miniCAD is an easy to use and affordable CAD package. Originally designed for Surveyors the program supports the following:



Customized to the specific building rules of dock building companies, Dock Designer enables visual design in 2D where you can see your dock design in 3D and have instant access to accurate estimates, parts lists, blueprints, and much more.




progeCAD Smart 2009 is a limited version of progeCAD . It is free for private, non-commercial use only.



MEDUSA4: The comprehensive 2D/3D design automation suite for mechanical, plant, construction and automotive engineering




Create, edit, view, and print 2D CAD drawings using the file formats: dxf, dwg, shp ;Download-Size only 3.10 MB; language: only english;

Educational virtual 3D laboratory simulator helps students, teachers, and tutors conduct electrical circuit experiments by providing realistic equipment access anywhere, avoiding availability issues and safety hazards, and enhancing learning with immediate feedback and...



Graphite is an easy to use precision 2D/3D CAD software for product design and development. Formerly known as Vellum, Graphite offers extremely powerful, precision wire-frame drafting with the elegant ease-of-use that makes it productive even when only used occasionally.




Arduino (8-bit AVR) simulator, written in JavaScript and runs in the browser / Node.js
Archimedes is a free and open source CAD (Computer Aided Design) software. It is a robust system built over Eclipse’s Rich Client Java Platform fully based on plug ins. This means it is easily extensible but also has a pretty thin core that allows you to select the features you...



Simulator for Arduino is the most full featured Arduino Simulator available at the present time (watch the latest video below).
Emulino is an emulator for the Arduino platform by Greg Hewgill, originally found on emulino: arduino cpu emulator.