Alfresco

Open source content management system

Hotmail for Thunderbird

Access Hotmail from Thunderbird

Google Icon

Show the web's icon in Google's results

Metal Lion Vista

Firefox with the graphical interface of Windows Vista

Disqus

Blog and webpage comment system

Facebook Toolbar

Integrate Facebook into Firefox

InfoRSS

Keep up with what's going on while you browse

Picnik

A photo editor for Firefox

Newscoop

Online CMS for information professionals

Free YouTube Uploader

Upload several videos to YouTube simultaneously

ArchView

Look inside ZIP, RAR or ISO files before downloading them

Mambo

A complete content management system

WordPress

Free CMS for blog and website creation

BetterSearch

Improve the information offered by Internet search engines

WordPress.com

The CMS par excellence arrives on the desktop

CMS Made Simple

Create your personal blog on the Internet

OrCAD

The best tool to design PCBs

Zelscope

Have a complete oscilloscope on your desktop

Proteus

Electronic circuit and microprocessor simulator

PCB Wizard

Software to design circuit boards

KiCad

Tool for creating electrical diagrams and printed circuit boards

NI Multisim

The best software to design PCBs

SEE Electrical LT

Create electricity projects and their documentation

Livewire

Design and simulate electronic circuits

PSpice

Very good circuit analysis software

Logisim

Learn everything to be known about digital circuits

Resistance Calculator

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

PCB

Carry out your own electronic designs with this software

LabVIEW

Development environment for industrial applications

ProfiCAD

Simple tool with which you can build your electric circuits