Virtual Desktop might be a bit more popular than Gallery. We know about 1 link to it since March 2021 and only 1 link to Gallery. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Gallery but dunno if it's still developed. I think the OS patches will still be current though. http://galleryproject.org/. Source: over 2 years ago
The app on Steam is compatible with the original HTC Vive, Vive Pro, Vive Cosmos. Source: about 1 year ago
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
BigScreen VR - Your desktop in virtual reality, with friends; play games, watch movies, and hangout in VR.
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.
VRidge - Play PC VR games inside your mobile VR headset.
Lychee by Electerious - Lychee is an open-source, free software program for self-hosted photo management. It can be installed on the user's own server or website. The software permits the uploading and management of photos and also makes sharing photos very easy.
VorpX - vorpX let’s you play your favorite games on Oculus Rift and HTC Vive in Stereo 3D. Many features are specifically tailored towards VR for the best possible experience on your VR headset.