The Stralsund, St. Marien Sample Set of Stellwagen organ has a demo available for free. 14 stops, , including the tremulant samples and all perspectives. The demo sample set allows to test various stops from all the manuals and the pedal. The specification of the free sample set:
| I Rückpositiv C–d3 | II Hauptwerk C–d3 | III Oberwerk C–d3 | Pedal C–g1 | |||||||
| Principall | 8′ | Spitz Flött | 8′ | Principall | 8′ | Gedact Undersatz | 16′ | |||
| Gedact | 8′ | Holl Flött | 4′ | Nasat | 2 2/3′ | Oktaven Bas | 8′ | |||
| Octava | 4′ | Flachflött | 2′ | Schallmey Bas | 4′ | |||||
| Sesquialtra | ||||||||||
| Scharffs | ||||||||||
| Tröchter Regal | 8′ | |||||||||
The free sample set is to be ordered from the dedicated web page.