25 years of business know-how in constant evolution.

Since 1994, the company OTP offers software solutions adapted to the world of computer-aided design, more specifically to the design of structures and railway lines.

Today, ArmaCAD and Softline software are the result of our business know-how:

Railway and engineering structures trades, design of dedicated software tools.

Our goals :

• Always be responsive to requests and comments from our users.

• Respond as closely as possible to business specificities.

• Always take care of the ergonomics by making the use as intuitive as possible.

Translated into several languages and multi-standards, our software is now marketed in more than 35 countries.