Rynqu vs Diigo
Diigo combines saved links and web annotation, with shared group libraries. Rynqu supports highlights through its extension and focuses on AI-powered organization and finding links again.
Which one is for you
Choose Diigo if in-page annotation and group research libraries are central to your workflow. Choose Rynqu if you want AI to handle organization with less manual setup.
Where Rynqu pulls ahead
- AI auto-organization instead of manual folders and tags
- A modern, cleaner interface
- Public collection pages with a dedicated, shareable design
Where Diigo pulls ahead
- Built-in web annotation and highlighting on the page itself
- Established group/shared library features for classrooms and teams
AI-powered search & auto-organization
✓Built-in
—Not a core feature
Public shareable collection pages
✓Yes, custom URL
✓Yes (public/group libraries)
Browser extension
✓Yes
✓Yes
Developer API / MCP for AI agents
✓REST API + MCP server
✓REST API
Free plan
✓Yes
✓Yes, with limits/ads
Import from browser bookmarks
✓Yes
✓Yes
Feature details reflect publicly available information at the time of writing and may have changed — always check the vendor's own site for current specifics.
Frequently asked questions
Does Rynqu support web annotation like Diigo?
Yes. With the Rynqu extension you can highlight a passage on any page; it is saved with the link and shows up again when you return to the page.
Can teams share a library on Rynqu like a Diigo group?
Rynqu's public pages let you publish a curated collection for anyone to view; if you specifically need a private, editable group library, check current Rynqu plans for team features.
Other comparisons
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