Our software library provides a free download of FSPViewer 2.1.0. The size of the latest installation package available for download is 3.1 MB. This free software is a product of Fulvio Senore. The program lies within Photo & Graphics Tools, more precisely Viewers & Editors. Our built-in antivirus checked this download and rated it as virus free.
From the developer:
FSPViewer is a free viewer for spherical (equirectangular) panoramic images. It is designed for viewing local (hard-disk, network or CD) high resolution panoramic images at full screen and with very high image quality. It uses advanced interpolation algorithms to show you smooth images without losing sharpness.
You may want to check out more software, such as Foto-Mosaik, Filter Forge Freepack - Metals or Photo Collector, which might be similar to FSPViewer.