Bookmark managers with folder sharing

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.
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.
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.
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.
Hypershoot captures full page screenshots of the web pages that user's bookmark and organizes them in a grid.
Dropmark is a visual way to organize links and is optimized for designers. It also has team collaboration features.
Bookmarkme is another visual way to organize your bookmarks using a card-like manner. It also supports tags, collaboration, and reminders.
Clipd.io is essentially a moodboard for bookmarks that supports tags and full text search.
Prism uses large web page screenshots as bookmarks and allows for users to collaborate.
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.
Save for later is a basic link saver with not much design but it supports full text search.
Diigo allows users to annotate and highlight web pages and organizes everything in a list-based format.
histre organizes bookmarks in a list like tree and allows for saving info such as notes and highlights.
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.
Conifer is an open source bookmark archiving service that allows you to preserve web pages and the actions you took when viewing them.
klobie is mainly a bookmark manager but also supports notes and files.
Symbaloo is a start page that allows you to organize links in a gridded tile-like fashion. It allows you to choose an icon for the tile. These tiles can be re-arranged but there are no folders.
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.
LinkEmu is a startpage based bookmark manager that also allows you to save to-do lists.
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.
Tuxio has a start page feel that has visual icons but also let's you add to-dos, files, and wikis as well.
Starpage is a traditional and fully featured start page with widgets. You can organize bookmarks along with widgets such as weather and news.
Bookmark Ninja has a start page type layout and allows you to add categories, drag and drop, and use different column layouts.
Curabase is a simple start page that is team oriented.
Allows saving of bookmarks for long time, with a great ability to tag bookmarks, save links, retrieve links by searching and by tags. This bookmark manager is very similar to Pinboard. Very minimalist and fast.
A free utility where you can keep all of your "favorites", bookmarked web pages, and notes online. Create a "Friends List" and share your links exclusively with those members.
Pinboard is a simple tag based bookmark manager. It's appeal lies in its focus on speed and minimal design.
LinkAce is a self-hosted bookmark manager with a list-based user interface. Other features include tags and notes.
Workona is a way to manage your tabs and create documents from apps that you use online. It has a lot of apps that it connects with and allows you to organize them all in one place.
Organize your links in columns and boards similar to Trello. Allows you to save many tabs at once. Saves your links locally and not in the cloud.
Hitabs allows you to organize tabs for teams and supports drag and drop.
Stash is a bookmark manager that automatically categorizes web pages that you save using artificial intelligence.
A design focused image bookmark manager with collections for collaborating with other people. Has an iOS app.
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.
A privacy based extension that allows you to annotate webpages and has full-page text search.
Turtl uses powerful cryptography to encrypt your bookmarks to make them more secure. The user interface is visual-based and resembles Pinterest.
WebCull is a privacy focused way to organize your bookmarks that uses Stacks which are essentially folders in a list.
Zotero bills itself as your personal research assistant. It allows you to add citations and organize bookmarks in a list-based style.