Tagpacker!

Xmarks is a cross-browser, bookmark-synchronization service for Internet Explorer, Firefox, Chrome, Safari, iPhone, Android & iPad. Xmarks also offers search enhancement and web discovery based on sites bookmarked by users. Multi-language support, and can be used very simply with a browser-extension.

Raindrop.io saves not just bookmarks but associated content depending on page type.

Papaly.com is a personalized start page that is your go-to bookmark manager that fits all your needs. You’re able to sync your bookmarks fast and easy with step by step instructions! You're able to access your bookmarks from any platform that has internet access. Get one of the best Productivity tools on Chrome! With Papaly, you can use features including:

Think of Pinterest as a virtual pinboard — a place where you can create collections of things you love and "follow" collections created by people with great taste.

Google Bookmarks is a free online bookmark storage service, available to Google Account holders. It allows one to bookmark favorite websites and add labels or tags, and also notes.

Chrome Bookmarks and the Bookmarks Manager are now more powerful by incorporating the smarts of Google Search with a new modern UI.

Historious saves a copy of web pages you bookmark, so that you can find pages youve bookmarked easily without needing to add words as tags which are already in the page text. Tags can still be added, and you can use the special tag "unread", which removes itself when you read the page, and comes with its own special "read later" bookmarklet.

Pearltrees lets you organize all your interests.

Memit is a social knowledge management service (both web and mobile) that is built to make people smarter based on the content they collect, process and publish. It is the easiest way to collect and share your articles, pictures, reports, news stories and videos for you, your team and your business.

Stash is a smart, cross-device bookmark app backed by artificial intelligence. Save articles, videos and anything else. They're automatically categorized for you.

Drag & drop anything anywhere. Collect images, texts, links or videos to your private folders or post directly to Facebook, Tumblr, Twitter & (soon to come) Dropbox, Pinterest. More info: http://dragdis.com