The best alternatives to showkase are Spatial 1.0, Nftbucket, and gly.art. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of showkase?
General Collaboration— One inbox for all your work discussions
Spatial is a 3D, collaborative version of video chat in VR/AR. Lifelike avatars make you feel like you're sitting next to each other. Collaborate in virtual rooms full of images, videos and 3D models. Join from Oculus Quest, HoloLens, MagicLeap or the web!
Nftbucket allows people in the Solana ecosystem to create their own personal gallery where they can list their NFTs. It is possible to customize the look & feel of the page.
Show off your NFT collection on the big screen! View individual NFTs from your collection, or sit back and relax and display your collection as a screen saver with 4 different themes, including a fun grid view displaying 15 NFTs at a time!
Get your own gallery and showcase your Solana NFTs. Share your gallery with the world and the crypto-community. 100% free. See my own gallery here: https://solect.xyz/rasmus