Free technical software

Simple solutions for technicians and designers, just a click away


► Air conditioning

► Heating - Plumbing

► Electricity - Electronics

► Refrigeration

► Metallurgy - profiles, tubes and beams

► General data

► Cad Blocks

► Public works

► Construction site safety

► Instrumental

► Various utilities

► Video tutorials published


All programs and documents on the site are translated into the main languages

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

When everything is free, it is easier to grow

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

When using the smartphone it is preferable to use Desktop mode



some programs may be addictive - use in moderation

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