Autodesk 3ds Max

3D modeling, animation and rendering software

AutoCAD

The CAD tool for professionals

Skins.Be Downloader

A complete collection of desktop wallpapers

Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

DesktopSnowOK

An animation with snowdrops on your desktop

Google SketchUp

A simple 3D design method

SketchUp

Easy to use 3D design and modeling

CINEMA 4D Studio

One of the best 3D animation programs around

Logon Screen Rotator

Change the Windows logon screen randomly

SyncWall

Automate the wallpaper changing cycles

KitchenDraw

Professional application for the 3D design and modelling of kitchens

Moon Shadow

Great theme to customize Windows XP and Vista

Apophysis

Create your own wallpapers with fractal calculations

HomeByMe

Program to design homes

DIALux

Plan interior and exterior lighting projects

Blender

Model, animate and render your 3D projects

Resistance Calculator

Calculate the value of a resistance according to its casing's color

OrCAD

The best tool to design PCBs

SEE Electrical LT

Create electricity projects and their documentation

LabVIEW

Development environment for industrial applications

KiCad

Tool for creating electrical diagrams and printed circuit boards

PCB

Carry out your own electronic designs with this software

PCB Wizard

Software to design circuit boards

PSpice

Very good circuit analysis software

NI Multisim

The best software to design PCBs

Zelscope

Have a complete oscilloscope on your desktop

ProfiCAD

Simple tool with which you can build your electric circuits

Proteus

Electronic circuit and microprocessor simulator

Livewire

Design and simulate electronic circuits

Logisim

Learn everything to be known about digital circuits