- Reddit – A community-driven platform where users share and discuss content across various topics.
- Digg – A platform for discovering and sharing the best of web content, including news and articles.
- Slashdot – Focused on technology-related news and discussions.
- StumbleUpon (now Mix.com) – A content discovery platform that helps users find interesting articles, videos, and websites.
- Pinterest – A visual bookmarking tool where users can “pin” images and ideas to their boards.
- Flipboard – A personal magazine where users can curate content from across the web.
- Tumblr – A microblogging platform that allows users to post multimedia content and follow other users.
- Diigo – A social bookmarking tool with a focus on academic and research content, allowing users to annotate, highlight, and tag.
- Pearltrees – Organize, explore, and share everything you like on the web in a visual and structured way.
- Meneame – A Spanish-language social bookmarking site that focuses on news and community-based content.
Content Curation & Aggregation
- Scoop.it – A content curation tool that allows users to collect and share articles on various topics.
- Medium – While primarily a blogging platform, Medium also serves as a bookmarking site where users can highlight and recommend articles.
- Pocket – Save articles, videos, and web pages to view later, even offline.
- Raindrop.io – A modern bookmark manager that allows users to organize bookmarks visually.
- ZEEF – A platform where experts curate links to quality content within specific niches.
- NewsVine – A community where users can write articles, seed links to news stories, and discuss current events.
- Fark – A community website that allows users to comment on and discuss a variety of news topics.
- Mister Wong – A European social bookmarking site for sharing and discovering new content.
- Folkd – A social bookmarking and networking platform where users can save and share links.
- BibSonomy – A site where academics can bookmark and organize their research articles, resources, and bibliographies.
Niche-Specific Bookmarking Sites
- BizSugar – Focused on small business and entrepreneurship, allowing users to share and vote on content.
- Design Float – A social bookmarking site for designers and developers to share and discover content.
- Blog Engage – A platform where bloggers can submit articles and connect with a community of like-minded individuals.
- Dzone – A popular community for developers and IT professionals to share articles, tutorials, and news.
- Slashdot – A site for technology professionals to share and discuss relevant articles and news.
- GrowthHackers – A community for marketers to share and discuss growth strategies and tactics.
- Product Hunt – A site where users can discover and share new products, apps, and startups.
- ManageWP – A platform for WordPress professionals to share and discuss content related to website management and development.
- Inbound.org (now Growth.org) – A community-driven platform for marketers to share content and discuss strategies.
- Quora – While primarily a Q&A site, Quora allows users to bookmark answers and articles that they find useful.
These websites are widely recognized and used within their respective communities. They are active and offer valuable platforms for bookmarking, sharing, and discovering content.