Collectiblend appears to be a pricing website for antique camera gear, pulled from current eBay pricing and other online sale locations. There’s an option to build your own collection; I’m currently waiting for the admins to approve my submission.
When you support free, you support billionaires. When you pay, you support sane businesses and real creators. Start paying for things that cost money. If you can’t afford to, use fewer things, which generally make you happier anyway.
This is a long, but very well written article on Flickr’s SmugMug’s recent plea for help to find more paying users, and its future. TL;DR: It’s not going anywhere, but they need to double down on their core audience.