Pinboard is a bookmarking website intended for people who want to reliably keep track of large numbers of links. Its goals are to be useful, fight bloat, keep things fast, and stay small. Social bookmarking for introverts. m.pinboard.

Diigo is described as 'Save, annotate, and organize web resources with highlighters, sticky notes, cross-device sync, Outliner, advanced search, and flexible sharing options' and is a very popular bookmark manager in the web browsers category. There are more than 100 alternatives to Diigo for a variety of platforms, including Web-based, Google Chrome, iPhone, iPad and Mac apps. The best Diigo alternative is Raindrop.io, which is free. Other great apps like Diigo are wallabag, Karakeep, Memex and Linkwarden.
Pinboard is a bookmarking website intended for people who want to reliably keep track of large numbers of links. Its goals are to be useful, fight bloat, keep things fast, and stay small. Social bookmarking for introverts. m.pinboard.

Centralize bookmarks, notes, to-dos, and files in a customizable online desktop featuring a Mac and Windows-inspired interface, drag-and-drop organization, and cross-device access with search, tagging, visual customization, and no installation needed.



Pearltrees is a social curation tool. It lets you organize, discover and share the stuff you like on the web.







As a librarian and former cataloguer, I have to say that it's the best available free tool of all listed here. Container Tags (called feature) is an interesting mix of hierarchical classification and facet classification. Even if hard core user might wish it allows for more classification, it's certainly seems capable enough, and a far more preferable alternative than to create your own SQL database.


AI-Powered Bookmark Manager for Teams, Linkinize is the central hub for your team’s bookmarks
Organize, search, and securely share bookmarks across your team. faster onboarding, zero chaos. Automatically generate titles, descriptions, and smart tags with AI.








Collect any article you want to read later, image that inspired you or video you want to watch later. Save anything, never lose it and view it without ever leaving GGather. Organize your bookmarks with tags and notes. And GGather tags are special.





In your browsers address bar, type "saved.io/" in front of the URL of the site you want to save. Hit enter and you'll be redirected to saved.io where you can see the saved link. All you need is a web browser. You don't need to install any apps or extensions.



A personal bookmark manager that leverages the full potential of tags to organize and rediscover bookmarks.



Enables annotation on PDFs, web pages, and ePub books with highlighting, centralized management, AI integration, file backup, syncing, and document sharing. Facilitates note-taking, web highlighting, collaboration, access to history, and multi-device support for personal or professional use.




Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.




Tagpacker is totally free, and provides a cleaner interface than Diigo for presenting bookmarks. I like it because it automatically grabs an image found in the page we bookmark, and when it fails, we can provide a link toward an image. There's also a feature that suggest tags, and autocomplete tags.