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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.

StumbleUpon discovers web sites based on your interests, learns what you like and brings you more. Using a combination of human opinions and machine learning to immediately deliver relevant content, StumbleUpon presents only web sites that have been suggested by other like-minded Stumblers. Each time the Stumble button is clicked, the user is presented with a high quality web site based on the collective opinions of other like-minded web surfers.

The Old Reader is a web based RSS reader, something like Google Reader . Import existing subscriptions, find Facebook friends and more.

Netvibes is a multi-lingual Ajax-based personalized start page or personal web portal much like Pageflakes, My Yahoo!, iGoogle, and Microsoft Live.

NewsBlur is a personal news reader that brings people together to talk about the world. It shows you the original site and allows you to read stories directly off the site while keeping track of what you read. It also filters and highlights stories you like and dislike. NewsBlur has an active community of shared stories, published on each user's blurblog.

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.

Flamory remembers things, so you don't have to. Make snapshots of web pages, files and desktop apps. You can find snapshots later using full-text search and thumbnails. Paste them anywhere as links or screenshots.

Leanote provides services for note and blog. You can use "note" as your personal notebook, if you want to share with friends, just publish note or notebook to the blog.

Tagpacker is a free tool to organize, find and share links. It provides a simple but effective way to organize your links with tags.Tagpacker helps you to keep your collection always tidy and neat.This way, visitors of your collection can filter for relevant content and discover new interesting links.

Pearltrees lets you organize all your interests.