Bookmark managers with bookmark icons/images

Bookmark OS is like Mac and Windows for bookmarks. It gives an intuitive and powerful interface for organizing your bookmarks.
A collaborative bookmark and content manager, because browser bookmarks just aren't good enough. Has a number of different layouts: list mode, Pinterest cards, and grid view.
Save your bookmarks in a visual card-based fashion similar to Pinterest. Has social sharing features built in.
Clipix is like a cross between a start page and Pinterest. The layout is very similar to Pinterest but you can bookmark more than just images.
Deskyo lets you save, import, classify, manage, access and find your bookmarks very quickly. It is meant to look like your desktop and has icons and folders.
ChannelKit is a way to organize your bookmarks, notes, images, and contacts in a visual card-like layout. You can create different "channels" which are like categories for better organization.
Klart is self-titled, "Bookmarking for Designers" and lets you save screenshots of any website and organize them as bigger cards in a grid with tags.
Sqworl is a visual bookmark manager that uses screenshots as large icons in a grid. It is geared towards educators.
GGather is a bookmark manager with a great UI. It allows you to view your bookmarks as lists, grids, or Pinterest-like cards.
Openoox uses a card-like layout for managing your bookmarks and is available on desktop, mobile, and tablet.
Raindrop.io is a bookmark manager that behaves as a single page app. It allows you to drag and drop, change icons, and sort your bookmarks.
Dropmark is a visual way to organize links and is optimized for designers. It also has team collaboration features.
Moodboard is an open source visual bookmark manager. You can clone the repository on Github and host it on your own website.
Bublup allows you to save bookmarks, files, and notes in folders with pictures on them. Bublup also has folder sharing and collaboration.
Bkmark gives you a nice layout for organizing your bookmarks with multiple layout options.
Collect allows you to organize links and images visually into boards. Has sharing and collaboration.
Memosnag let's you organize your bookmarks in lists within different categories. You can save articles, text, and images and collaborate with others on collections.
Contentle let's you save web pages, videos, and text in a list based format. It also supports folders and allows for contextual communication.
Linkpack gives you a way to save links and view them on your mobile app.
Shaarli is a self-hosted bookmark manager that you can install on your own server. It is mainly list-based and has the option of image previews.
Boardist allows you to save different kinds of data such as bookmarks, files, and tasks in a Trello based layout.
Cling has a layout that is similar to a start page but is slightly different in that the panels have lists of items. These items can also be notes, bookmarks, to-dos, and files.
This bookmark manager runs on the Nextcloud file backup provider which is similar to Dropbox but is self-hosted. The bookmark manager saves your bookmarks to your Nextcloud instance.
Lasso is a bookmark manager that let's you save bookmarks as cards similar to Pinterest. You can also change to different views such as grid and list and sort as well.
Pearltrees is similar to other card based visual bookmark managers such as Clipping Mini and Lasso. It allows you to organize bookmarks in a grid with screenshots.
Tagpacker offers the ability to organize your bookmarks with tags and view your bookmarks in a list-based format.
Pocket is an easy to use bookmarking site that is optimized for saving articles and reading them later on mobile devices.
Favim has inspiring images from the web and offers tags for filtering.
Pinterest is the most popular image bookmarking website and has powerful collaboration features.
Save bills itself as the platform for creative minds. It is essentially an image-based bookmark manager that displays your images as mood boards. It has mobile apps.
Trove is a privacy focused bookmark manager built on Blockstack, which is a de-centralized Blockchain. It is encrypted and provides a minimalist UI design.
Turtl uses powerful cryptography to encrypt your bookmarks to make them more secure. The user interface is visual-based and resembles Pinterest.
Inboard is an Mac app that allows you to organize screenshots, images and photos in an elegant way.