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Custom Developement

We can develop specific CAD add-ons for your needs using AutoLisp, VB/VBA, C#

Free Training

We provide free online training and regular webinars to our customers

Technical Support

Free technical support is available via e-mail, Skype and special remote connection software

Our products



New version of Design Expert 3.3

Dear Clients, New version of Design Expert 3.3 is available. There are a lot o...... Read more →

New version 3.2 is available

Dear customers,Design Expert version 3.2 was finally released. A lot of time has...... Read more →

New version 2.7 is available

Design Expert 2.7 is officially available. There are a lot of improvements and n...... Read more →

About us

Proektsoft Ltd. is a leading developer of structural design software and CAD distributor in Bulgaria.

Our software Design Expert is used in over 500 large and small companies for structural design and construction . It has already been implemented in hundreds of projects. Since 2012, Design Expert has been translated in English and distributed in Europe, Asia and Africa. You can buy our software directly from our online shop or through our partners UK, Norway, Italy, Portugal, Russia, Czech Republic, Poland etc.

Proektsoft Ltd. is official distributor of ZWCAD+, Cadprofi and other software for Bulgaria and showed a stable presence in the Bulgarian CAD market in the last years. We made ZWCAD+ the preferred solution for companies like Vivacom, Lukoil, Geotechmin, Argogroup and others.

Last but not least, if you have specific everyday tasks that take time but are not covered by the available commercial programs, you can order custom software, tailored exactly for your needs. We provide custom CAD software development at reasonable price and high quality using AutoLisp, VB/VBA and C#.