Social Bookmarking Software

Diigo is a powerful research tool and a knowledge-sharing community

When you find something you want to view later, put it in Pocket.

Pinboard is a personal archive for things you find online and don't want to forget.

Actually read articles saved for later

All your articles, photos, video & content from web & apps in one place.

freemium

Akonter bookmarks is a social bookmarking service which lets you save favorites URLs public or private and share bookmarks by Tags, particularly shopping, business, services and marketing websites.

Hackershare is a powerful social bookmarking service and a knowledge-sharing community, with advanced search and tag management feature.

Bring your Firefox bookmarks, tabs, or passwords wherever you go with Firefox Sync. Share between computers and mobile devices. Get Firefox now!

Bookmark, Save, and Discover Links from like-minded people

Search first hub for your bookmarks. Quickly find a bookmark from the haystack.

open-source

LinkLocker is a lightweight bookmarking service with an emphasis on privacy.

Your reading to-do list. Finish reading what you want to read, faster

Start collecting and organizing what interests you