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Approved aid and refugee organisations can apply for a free license for OPAL. Just think of the many addresses refugees might have until they find a new home.


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Please contact us, if you would like to use OPAL for a good purpose. We will be happy to consider your request.


Please contact Dolphin's Design Wolfgang W. Rehfus for general inquiries and orders via e-mail. This enables us to reply as accurately and quickly as possible. In case of delays please use the postal address.

E-Mail:      Info (at)      Info (at)
      Support (at)   Support (at)


Postal address CH:


Dolphin's Design Wolfgang W. Rehfus




P.O.Box 515




CH-8802 Kilchberg, Switzerland


Postal address NZ:

Dolphin's Design Wolfgang W. Rehfus

c/o Sigi Kirchmair (Cactus Software Ltd.)

9 Leach Place, Enner Glynn

Nelson 7011, New Zealand


Internet Domains:,,,




Please contact us via e-mail to obtain our phone number.




Please contact us via e-mail to obtain our fax number.

  Management/CEO:   Wolfgang Rehfus, founder and owner of "Dolphin's Design Wolfgang W. Rehfus", holds a bachelor's degree in business administration from the University of Stuttgart, Germany, and a master's degree (lic. oec. publ. magna cum laude) in business administration and computer science from the University of Zürich, Switzerland, and served in various international companies including Unisys Corporation and Credit Suisse Group AG.


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Exclusion of liability:

We have used links to the websites of other suppliers on various pages of our website and on other pages belonging to our company (e.g.

The following applies to all of these links: we wish to make it clear that we have no influence whatsoever on the make-up and content of the pages referred to in the links. Accordingly, we hereby distance ourselves explicitly from the content of all pages linked from our website and all other pages belonging to our company and emphasise that this content is not our own. We accept no liability whatsoever for the content of the linked pages referred to on our own website.

All data and information included in our website has been carefully researched and checked. All information is subject to correction. Misprints and errors excepted. We reserve the right to make modifications and additions at any time without prior notice. Our offer is without obligation. No liability can be accepted for correctness, completeness and up-to-dateness.

Similarly, we accept no responsibility for the content of any third-party websites which may have links to ours without our knowledge. We do not hold and we do not operate any entries or web pages on social media platforms. Accordingly, we hereby distance ourselves explicitly from any such third-party websites.

We respect your privacy. We do not use cookies on our websites.

Dolphin's Design Wolfgang W. Rehfus


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Copyright © 1995 - 2019 Dolphin's Design Wolfgang W. Rehfus
Last modified: 15.08.2019

This website was developed with 100% Natural Power (renewable energies).