Bookmark managers with importing/exporting

Bookmark OS is like Mac and Windows for bookmarks. It gives an intuitive and powerful interface for organizing your bookmarks.
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.
GGather is a bookmark manager with a great UI. It allows you to view your bookmarks as lists, grids, or Pinterest-like cards.
Bookmax is an online bookmark manager that offers a list view and folder tree that is similar to Mac and Windows.
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.
Prism uses large web page screenshots as bookmarks and allows for users to collaborate.
Save for later is a basic link saver with not much design but it supports full text search.
Larder is a self-described bookmark manager for developers. It is similar to Github issues but for bookmarks and gives you tags.
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.
klobie is mainly a bookmark manager but also supports notes and files.
Mailist sends you a newsletter of bookmarks that you bookmarked that week. You can also view all your bookmarks in a list view.
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.
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.
Bookmark Ninja has a start page type layout and allows you to add categories, drag and drop, and use different column layouts.
Booky.io is a mobile optimized bookmark page with a start page layout with categories. You can also add colors to the categories.
Papaly is a well designed start page that uses favicons as bookmark images.
History Search allows you to search through past websites and documents seamlessly by keyword and date range. As you browse websites, History Search will index the text of the website so you can find it later with a keyword search.
Historious gives you full-text search for any web pages that you save and also gives you the option to save a cached version of the web page.
Zapmarks is an interesting way to access your bookmarks. It allows you to associate keywords with each bookmark and you can access them later by searching with these keywords.
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.
Pinboard is a simple tag based bookmark manager. It's appeal lies in its focus on speed and minimal design.
Tagpacker offers the ability to organize your bookmarks with tags and view your bookmarks in a list-based format.
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.
Hitabs allows you to organize tabs for teams and supports drag and drop.
Cluster gives you a nice way to organize your tabs using lists and checkboxes. Has light and dark modes.
Wallabag is a read it later app for bookmarking articles and works on every device similar to Pocket.
Stash is a bookmark manager that automatically categorizes web pages that you save using artificial intelligence.
Pocket is an easy to use bookmarking site that is optimized for saving articles and reading them later on mobile devices.
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.
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.
Hush let's you save bookmarks from incognito mode in Chrome.
LinkLocker is a privacy focused bookmark manager that is completely private and has an API.
WebCull is a privacy focused way to organize your bookmarks that uses Stacks which are essentially folders in a list.
Sync your bookmarks from any browser such as Firefox, Chrome, and Safari.
Inboard is an Mac app that allows you to organize screenshots, images and photos in an elegant way.
Stores all your bookmarks offline on your local hard drive and allows you to open them with any browser.
Buku is a powerful command line based bookmark manager that you install locally. There is also a server component that exposes a browsable front-end on a local web host server.
Pins App is a downloadable bookmark manager that gives you bookmark previews, categories, notes and powerful search.
Stache provides you with a visual interface for bookmark management that includes screenshots. It also has full search and archiving functionality.
BookMacster is a downloadable app that has features such as tagging, sorting, and getting rid of duplicates.
URL Manager Pro is a bookmark manager that resembles a file manager.