Logisim

Learn everything to be known about digital circuits

World at Arms

A multiplayer strategy game full of possibilities

Proteus

Electronic circuit and microprocessor simulator

303 Squadron: Battle of Britain

Become a Second World War fighter pilot

Clash of Irons: Blitzkrieg

Strategy game that recreates the tank battles of World War II

KiCad

Tool for creating electrical diagrams and printed circuit boards

Tom Clancy's HAWX

Pilot the most advanced planes in wars that take place in the future

OrCAD

The best tool to design PCBs

PSpice

Very good circuit analysis software

WarRock

Addictive totally free online war game

NI Multisim

The best software to design PCBs

LabVIEW

Development environment for industrial applications

Soldier Front

Become a member of the special forces

Dead Call: Combat Trigger & Modern Duty Hunter 3D

Fight the invasion of space insects

PCB Wizard

Software to design circuit boards

Naval Strike

A quick and entertaining plane game

EdrawMax

The most complete diagram software

ClickCharts

Create flowcharts with the best tools

WinEsquema

Create all sorts of diagrams and concept maps

Freeplane

Tool for creation of mind maps

Mindomo

Create mind maps from your desktop

LanFlow

Create diagrams about any communications system

EDraw Mind Map

Arrange your ideas with this mind map program

Microsoft Visio

Microsoft's tool to create diagrams

DiagramPainter

Create your own digital diagrams

Visio Stencils

Collection of objects to create diagrams with Visio

MindManager

Create mind maps that gather all your information

PersonalBrain

Innovativing tool to create mind maps

FreeDFD

A very visual flowchart editor

Software Ideas Modeler

Stunning UML application

CmapTools

Tool to easily create mind maps