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Best Diigo alternatives (2026)

Diigo is a veteran bookmarking and web-annotation service aimed at research: its extension highlights text in multiple colors directly on live pages, attaches sticky notes, and files everything into a searchable library with tags and Outliners for structuring findings. Groups add shared libraries and collaborative annotation, and a free Teacher console made it a staple in classrooms. Paid plans are cheap — Standard at $40 a year adds unlimited highlights, server-side cached copies of saved pages, full-text search, and PDF annotation, with Professional at $59 a year lifting the remaining caps. The free tier is ad-supported and caps total bookmarks and highlights. Diigo still works, but shows its age: the interface predates modern design trends, the Chrome extension last updated in 2024, the Android app left Google Play the same year, and the official blog is offline. A web API and CSV, HTML, and RSS exports keep data portable. Below are the strongest alternatives in 2026, ranked honestly: each covers a different mix of jobs, and the right one depends on yours.

The best Diigo alternatives, ranked

  1. #1

    Marqly

    The AI bookmark manager — save once, find it instantly

    Marqly covers the core job — save, organize, retrieve — and adds AI auto-tagging, semantic search (find by meaning), AI summaries that Diigo doesn't offer. Every save is auto-tagged and summarized, and semantic search finds things by meaning. Free tier, no card required.

    • Semantic search finds saves by meaning — describe what you remember, no exact titles needed
    • AI tags and summarizes every save automatically, so nothing needs manual filing
    • YouTube AI card puts summaries, transcript, and Q&A right on the watch page

    Pricing: Marqly has a free tier; paid plans are $48/year (≈$4/mo) or $8/month. 7-day free trial of Pro. Free tier needs no card; Pro unlocks chat with saves and video chat.

    Try Marqly free →
  2. #2

    Raindrop.io

    The all-in-one bookmark manager

    The best traditional bookmark filing cabinet — organization is world-class, but finding things still depends on your own tags and keywords. Collectors and visual organizers who file thousands of bookmarks into structured collections and want polished apps everywhere without paying.

    • One of the most generous free plans anywhere: unlimited bookmarks, collections, and highlights
    • Polished apps on every platform — web, Mac, iOS, Android, and all major browser extensions
    • Strong visual organization with covers, nested collections, and multiple view modes

    Pricing: Raindrop.io has a free tier; paid plans are $28/year or $3/month (Pro; App Store pricing $27.99/year, $2.99/month). The free plan is unusually generous — unlimited bookmarks, collections, highlights, and devices. Pro adds full-text search, AI suggestions, permanent page copies, reminders, annotations, and daily backups. Yearly billing is about 20% cheaper than monthly.

    Marqly vs Raindrop.io →
  3. #3

    Linkwarden

    Open-source collaborative bookmark manager that archives everything you save

    The best open-source answer to link rot; pick it for preservation and ownership rather than reading comfort or AI-powered recall. Self-hosters, researchers, and teams who treat bookmarks as an archive — anyone who wants a permanent, searchable copy of every page they save.

    • Every saved link is preserved as a screenshot, PDF, and readable copy — link rot can't touch your library
    • Fully open source (AGPL) with free self-hosting and feature parity with the paid cloud
    • Optional AI tagging, including support for local models, so auto-organization can stay private

    Pricing: Linkwarden has a free tier; paid plans are Cloud: $3/month per user billed yearly (25% off) or $4/month billed monthly. 14-day free trial of Cloud, cancel anytime. Self-hosting is free — Linkwarden is fully open source (AGPL-3.0) with all features included. The Cloud plan has no free tier beyond the trial and supports up to 30,000 links per user (expandable via support).

    Marqly vs Linkwarden →
  4. #4

    Karakeep

    The open-source, self-hosted bookmark-everything app with AI tagging

    The best open-source bookmark manager if you're comfortable running Docker — free forever, with real AI features. Self-hosters and privacy-focused tinkerers who want AI tagging, summaries, and full-text search on their own hardware without a subscription.

    • Free, open source, and self-hosted — your bookmarks live on your own server
    • AI auto-tagging and summaries via any OpenAI-compatible API or fully local Ollama
    • Meilisearch full-text search, with semantic and hybrid modes added in 2026

    Pricing: Karakeep has a free tier; paid plans are Self-hosted: free. Karakeep Cloud Pro: $4/month. The self-hosted app is fully free and open source; AI features need your own OpenAI-compatible API key or a local Ollama model. Karakeep Cloud (public beta) has a $0 tier capped at 10 bookmarks and a Pro tier at $4/month — the exact annual price is not published.

    Marqly vs Karakeep →
  5. #5

    Anybox

    Native, privacy-first bookmark manager for Mac, iPhone, and iPad

    The best native bookmark manager on Apple platforms, as long as you organize by hand and never need it outside the Apple ecosystem. All-in Apple users who want a fast, private, native bookmark app with archiving — and don't need AI, collaboration, or cross-platform access.

    • Fast, genuinely native Apple app — 4.7 stars on the App Store, praised for speed and reliable iCloud sync
    • Deep macOS integration: Spotlight, widgets, Siri Shortcuts, AppleScript, plus Raycast, Alfred, and PopClip companions
    • Archives any bookmark as PDF, web archive, or screenshot — automatically or on demand — for offline access

    Pricing: Anybox has a free tier; paid plans are $14.99/year, $1.99/month, or $39.99 lifetime. Free tier caps at 50 saved links and 12 Anydock slots; no time-limited trial, the free tier serves that role. One universal purchase covers Mac, iPhone, iPad, and Vision Pro.

    Marqly vs Anybox →
  6. #6

    Pinboard

    Social bookmarking for introverts — fast, minimalist, paid

    Still the most dependable minimalist bookmarking service money can buy — if you can live without AI, apps, and a modern interface. Text-oriented power users who want fast, durable, no-frills bookmarking with an API, and who value longevity over modern features.

    • Seventeen years of uninterrupted service — one of the web's oldest independent subscription products
    • Archival accounts store a full copy of every bookmarked page and flag dead links, defeating link rot
    • Famously solid, well-documented API with a rich ecosystem of third-party apps

    Pricing: Pinboard costs $22/year, or $39/year with archiving and full-text search. No free tier — Pinboard has been paid-only since 2009, which is how it has outlived its free competitors. The $39/year archival account stores a full copy of every page you bookmark and unlocks full-text search across those copies. Multi-year discounts available.

    Marqly vs Pinboard →

Marqly vs Diigo, feature by feature

Feature MarqlyDiigo
AI auto-tagging ✓ —
Semantic search (find by meaning) ✓ —
AI summaries ✓ —
YouTube AI (summary, chat, transcript) ✓ —
Chat with your saves ✓ —
Web highlighter ✓ ✓
Notes on highlights ✓ ✓
Save page as PDF ✓ ✓
Full-text search ✓ ✓
Save all open tabs ✓ —
Public sharing (boards/collections) ✓ ✓
Pocket import ✓ ✓
Browser bookmarks import ✓ ✓
Offline reading — —
iOS app ✓ ✓
Android app — —
Browser extension ✓ ✓
Free tier ✓ ✓
Public API — ✓
Self-hostable — —
Price Free · $48/year (≈$4/mo) or $8/month Free · Standard $40/year; Professional $59/year; Business $10/user/month
Marqly
Free · $48/year (≈$4/mo) or $8/month
Diigo
Free · Standard $40/year; Professional $59/year; Business $10/user/month

See the full Marqly vs Diigo comparison →

Diigo alternatives FAQ

Is Diigo free?

There is a free plan, but it is ad-supported and caps your lifetime totals — Diigo's own pages quote the limit inconsistently at 500–1,000 bookmarks and 100–200 highlights. Cached pages, PDF annotation, and full-text search require Standard ($40/year) or Professional ($59/year). Verified educators get a free Teacher plan with class features.

Is Diigo still maintained?

The service runs, but development has largely stalled. The Chrome extension was last updated in mid-2024, the Android app was delisted from Google Play in 2024, the official blog domain no longer resolves, and the pricing pages still carry decade-old copy. The web app, iOS browser app, API, and exports continue to function.

What is the best Diigo alternative?

For highlighting specifically, Glasp and Weava are modern web highlighters, and Readwise Reader adds highlight review. Marqly is a strong all-round option: six-color highlights that persist on the page like Diigo's, plus AI auto-tagging, summaries, and semantic search that Diigo never added — and it is actively developed. Raindrop.io fits if bookmarking matters more than annotation.

Does Diigo work on iPhone?

Partially. There is no modern extension for iPhone Safari; iOS access comes through the legacy "Diigo Browser" app, a standalone browser with save and annotation features that receives only minimal bug-fix updates, plus the mobile website. The Android app is gone from Google Play entirely. Diigo is best treated as a desktop-first tool.

Can I export my data from Diigo?

Yes. The Tools section exports your library as CSV (including URLs, titles, tags, comments, and sticky notes), Netscape HTML for importing into browsers and other bookmark managers, and RSS. Highlights and notes are included in the CSV. Given the product's slow maintenance, exporting a periodic backup is a sensible precaution.