To obtain demo versions of BiotSavart and LensForge send us an e-mail:


Licences for these products may be purchased at our Kagi store.

Note that you may need to clear your browswer's cache for the download links to work properly, if you have recently downloaded a previous version using the same link.

TS icon

more info 'topeScope (version 2.6.2 for Mac OS X)

Demo mode if no key

Legacy Products

StLv icon

more info StL viewer (version 2.0.4 for Mac OS X)

StLv icon

more info StL viewer (version 1.0 for Mac Classic)