Diigo vs BibSonomy

Diigo9.1Visit BibSonomy8.3Visit

Higher score Diigo #2 in Bookmark Managers 9.1/10 Free plan Free plan✓ 4 of 5 features Visit Diigo

vs

BibSonomy #6 in Bookmark Managers 8.3/10 Free plan Free plan✓ 3 of 5 features Visit BibSonomy

• Diigo fits best

  Researchers and annotators

• BibSonomy fits best

  Researchers managing bookmarks and publications

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Side by side

Feature	Diigo 9.1/10 Visit ↗	BibSonomy 8.3/10 Visit ↗
At a glance
Editor score	9.1	8.3
Ranking	#2 in Bookmark Managers	#6 in Bookmark Managers
Best for	Researchers and annotators	Researchers managing bookmarks and publications
Pricing model	Free plan + paid	Free
Starting price	$40/yr	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Mobile, Browser extension	Cloud
Platforms	Web, iOS, Android, Chrome extension	Web, Chrome extension
Support	Docs	Email
Integrations	6 integrations	5 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features Diigo 4/5 · BibSonomy 3/5
Full-text search	✓	✓
Browser extension	✓	✓
Mobile apps	✓ (best)	—
Web archiving	✓ (best)	—
Duplicate detection	Not checked yet	✓ (best)
Specs
Saved item limit	1000 items	Not checked yet
Our review
Pros	Full-text search across bookmarks, pages, PDFs, and annotations Web archiving with cached pages, highlights, and sticky notes Web, mobile, browser extension, and API access	Full-text search across links, metadata, and BibTeX fields Detects duplicate references and extracts publication metadata Open-source access with REST API and bibliographic exports
Cons	Free plan limits highlights, screenshots, outliners, and group size Paid plans start at $5 per month Advanced team features are concentrated in the Business plan	No mobile apps Does not save web page copies for archiving More specialized than general-purpose bookmark managers
Our verdict	Diigo is a cloud-based bookmarking and personal knowledge-management service for individuals, educators, researchers, and teams. It combines a personal library for saved web pages with tags, lists, outliners, highlights, sticky notes,… Read the review →	BibSonomy is a web-based bookmark and scientific publication manager for researchers, academics, and teams organizing references and links. Users can save bookmarks and publications, apply tags, search stored content, share resources, and… Read the review →

Strengths and trade-offs

• Diigo — where it wins

  • Full-text search across bookmarks, pages, PDFs, and annotations
  • Web archiving with cached pages, highlights, and sticky notes
  • Web, mobile, browser extension, and API access

  Where it doesn't

  • Free plan limits highlights, screenshots, outliners, and group size
  • Paid plans start at $5 per month
  • Advanced team features are concentrated in the Business plan

• BibSonomy — where it wins

  • Full-text search across links, metadata, and BibTeX fields
  • Detects duplicate references and extracts publication metadata
  • Open-source access with REST API and bibliographic exports

  Where it doesn't

  • No mobile apps
  • Does not save web page copies for archiving
  • More specialized than general-purpose bookmark managers

• Diigo9.1/10 · Free plan

  A research-focused bookmark manager with annotation, archiving, search, and collaboration.

  Visit DiigoFull verdict →
• BibSonomy8.3/10 · Free plan

  A research-focused bookmark manager with strong reference tools and open-source access.

  Visit BibSonomyFull verdict →