Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

Wally

Change your background wallpaper as many times as you want

Tux Walk

Watch Tux walking around your desktop

Oceanis Change Background Windows 7

Change the wallpaper of Windows 7 automatically

Showroom

Change your wallpaper whenever you want

WebShots Desktop

Download a wide range of photos and wallpapers

Apophysis

Create your own wallpapers with fractal calculations

PaperPlane Smart Launch

Customize your Windows desktop to look like an iPad

BioniX Desktop Wallpaper Changer

Automatically change your desktop wallpaper

DesktopSnowOK

An animation with snowdrops on your desktop

SyncWall

Automate the wallpaper changing cycles

Tweaks.com Logon Changer

Customize your logon screen

Skins.Be Downloader

A complete collection of desktop wallpapers

Moon Shadow

Great theme to customize Windows XP and Vista

Logon Screen Rotator

Change the Windows logon screen randomly

Windows 7 DreamScene Activator

Use videos as desktop wallpaper with DreamScene

OrCAD

The best tool to design PCBs

NI Multisim

The best software to design PCBs

LabVIEW

Development environment for industrial applications

KiCad

Tool for creating electrical diagrams and printed circuit boards

ProfiCAD

Simple tool with which you can build your electric circuits

PCB Wizard

Software to design circuit boards

SEE Electrical LT

Create electricity projects and their documentation

PCB

Carry out your own electronic designs with this software

Logisim

Learn everything to be known about digital circuits

Resistance Calculator

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

Proteus

Electronic circuit and microprocessor simulator

Zelscope

Have a complete oscilloscope on your desktop

PSpice

Very good circuit analysis software

Livewire

Design and simulate electronic circuits