Tux Walk

Watch Tux walking around your desktop

Google SketchUp

A simple 3D design method

BioniX Desktop Wallpaper Changer

Automatically change your desktop wallpaper

SyncWall

Automate the wallpaper changing cycles

Moon Shadow

Great theme to customize Windows XP and Vista

Skins.Be Downloader

A complete collection of desktop wallpapers

PaperPlane Smart Launch

Customize your Windows desktop to look like an iPad

Logon Screen Rotator

Change the Windows logon screen randomly

Showroom

Change your wallpaper whenever you want

Apophysis

Create your own wallpapers with fractal calculations

Windows 7 DreamScene Activator

Use videos as desktop wallpaper with DreamScene

Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

DesktopSnowOK

An animation with snowdrops on your desktop

Tweaks.com Logon Changer

Customize your logon screen

AutoCAD

The CAD tool for professionals

Wally

Change your background wallpaper as many times as you want

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations

Norton Power Eraser

The last chance to remove viruses

WOT Internet Explorer

Discover if a website is dangerous with this plug-in

Preventon

Protection against Internet dangers and malware

RogueKiller

Protect your computer against any malware

Ghidra

The NSA's reverse engineering tools

RKill

Put a halt to all the dangerous processes that run in the background

Mandiant Redline

Audit your computer in search of malware

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

FileASSASSIN

Unblock and eliminate the malicious and unwanted files from your computer.

RogueRemover

Remove false antivirus alarms from your computer

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

OWASP Mantra

A pack of tools to check a website's security