Free technical software


► Air conditioning

► Heating - Plumbing

► Electricity - Electronics

► Refrigeration

► Metallurgy

► General data

► Cad Blocks

► Public works

► Construction site safety

► Instrumental

► Various utilities

► Video tutorials published


Add it to your favorites on the desktop, you will see that it will come in handy

If knowledge were within everyone's reach, the world would be better

This is our goal

Frame the QR “ITIEFFE.COM” and use it with smartphone or tablet (add it to your home screen)



some programs may be addictive - use in moderation