LTspice is a freeware utility for assisting professionals or even novice students on how to simulate and regulate circuits. The high-performance simulator, schematic capture, and waveform viewer offer multiple tools for adding geometric shapes to increase the complexity of your object.  LTspice Features Smooth Simulation LTspice provides a great variety of ma...

NASA has developed this applcation which can be used to view any lace in the world on the screen of your PC. You can navigate the whole world from satellite views and zoom them. You choose the zone of the world you want to visit today, maybe the beaches of Brazil, the pyramids in Egipt, the Grand Canyon, etc. Prepare your luggage, you decide your destiny. It...

WebCopier is an application which will let you download full sites to your computer to be viewed and surfed when you are offline. WebCopier can download up to 100 files simultaneously, it supports Javascript and it can search for weblinks. It can be really useful if your connection is not really good, because you can download the entire site, and then you will...

LibreCAD is a free and open source tool that lets you make technical drawings without having to use AutoCAD or any other paid application. You cannot make 3D designs, but you do get a wide selection of tools for creating complex 2D designs. You can open your files in various CAD programs, as they can be saved in dxf, cxf, lff or jww formats. This is definitely an e...

Rigs of Rods, also known as RoR, is a very realistic driving simulator that gives you the possibility of driving all kinds of vehicles within a virtual environment: trucks, cars, planes and boats. That means you can drive, fly or sail in total freedom in an open environment. RoR has a physics system capable of applying flexibility on the wheels and chassis in rea...