Nucleus UI - Free UI component library to create mockups in Figma quickly
Img.vision - Image hosting & video hosting for eCommerce sellers
FlowBite Figma - Build UI interfaces and simplify the process of integrating into live websites with Tailwind CSS
UploadHouse - Thumbnail and resize your photos and images
Figma Design System - Starter kit for your UI design projects in Figma
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.