I have listed the online shops below, which are specialized for distributing a photo and astronomical equipment. You can find here also links to web portals specialized for description and specification of the software.
Some software, which I know better has been described here
|Accord Foto shop||Polish online shop, which sells tripods and photo equipment.||Camera, telescope, tripod, drone, binoculars
|Icstars.com||Online shop, which sells telescopes, filters and other accesoriess.||Filter, telescope, eyepiece