Diigo Alternatives: Replace It Without Rebuilding Tags or Folders
The best Diigo alternatives are Hypothesis for free highlights and notes on web pages, Raindrop.io for a free bookmark library with highlights, and Readwise Reader for paid reading and highlighting. Pick by the part of Diigo you use most.
What is Diigo used for?
Diigo is a bookmarking and annotation tool for research on the web. Its homepage lists bookmarks with tags, highlights and sticky notes placed directly on web pages, annotation of PDFs, an Outliner to structure research, and groups for sharing with classmates or colleagues. You use it through extensions for Chrome and Firefox, listed on Diigo's tools page.
That mix is why one app rarely replaces all of it. Most people lean on one or two parts: highlighting while they read, or a tagged library of links. Name that part first and the shortlist gets short.
Decide which part of Diigo you are replacing
Do not begin with the longest feature list. Inspect the last twenty items you opened or tried to find and sort them by purpose:
- Pages you planned to read once
- Reference links you return to repeatedly
- Sources connected to a project
- Highlighted passages you wanted to quote
- Pages shared with another person
- Material you saved but never used
This small sample reveals more than a historical audit of your whole library.
If nearly everything was meant to be read once, choose a reading queue. If you repeatedly visit a short list of sites, ordinary bookmarks may be enough. If the useful material includes screenshots, PDFs, videos and your own notes, another bookmark manager may reproduce the same limitation.
Why tags and folders stop working
Tags become unreliable after you invent several words for the same idea. One page goes under writing, another under content, and another under publishing. Months later, retrieval becomes a guessing game against your past vocabulary.
Folders have the same ambiguity. A customer-interview page might belong under Research, Product, Clients or a current project. The location that felt obvious while saving may not match the angle from which you search later.
More categories mean more decisions at capture time without guaranteeing retrieval. Test whether a replacement can find an item by topic, source, person, project or remembered phrase without requiring its assigned category.
Choose the smallest tool that fits
Browser bookmarks
Use them for a few stable websites. Rename important links clearly and keep only a small set of folders based on active work.
A read-later app
Use it for articles you expect to read and remove. Treat it as a queue: material enters, then gets read or discarded.
A notes app
Use one when your writing matters more than the original page. Keep the source link and record the decision, quotation or idea that made it useful.
Searchable capture
dEssence is one option for a mixed collection. You can save products, articles, videos and other material, organize saved items into boards, ask questions over them, and set a watch yourself when something needs monitoring. Saves can be added through the Chrome extension, Telegram bot or the web app at dessence.ai.
Two small tools may also be clearer than one large archive. A reading queue paired with project notes can reflect the fact that not every saved item serves the same purpose.
The best Diigo alternatives by job
Hypothesis: free highlights and notes on any page
Hypothesis replaces the highlighter and sticky notes. It is a browser extension for annotating web pages and online PDFs, and its start page says it is always free for personal use and collaboration. Annotations can be public or kept in a group, which covers the way teams used Diigo groups.
Raindrop.io: a free bookmark library with highlights
Raindrop.io replaces the bookmark library. It is free to use with unlimited bookmarks and collections, per its pricing FAQ. Highlights on web pages, PDFs and EPUBs are free with no limit, while notes attached to highlights need the Pro plan, according to Raindrop's highlights guide.
Readwise Reader: reading and highlighting in one app
Readwise Reader fits if Diigo was mostly where you highlighted articles and came back to the passages. Reader comes with the Readwise Full plan, and Readwise is free for the first 30 days, per the Readwise pricing page. After the trial it is paid.
Diigo vs Raindrop: which one fits?
Raindrop.io fits if you mainly keep a library of links. Diigo fits if you write on the page itself. Diigo puts sticky notes and highlights on the live page and adds an Outliner for structuring research. Raindrop.io is built around collections and tags with free highlights, and keeps full-text search and permanent copies of pages for its Pro plan.
Moving to Raindrop.io is a file import. Its import guide says it works with export files from most bookmark managers, so import a small Diigo export first and check that titles, tags and notes came through. If you are also weighing plain browser bookmarks, our Raindrop vs Chrome bookmarks comparison covers that choice.
Test retrieval before moving your library
Put twenty awkward items into each candidate: a vaguely titled page, a long article, a PDF, a screenshot, an older item remembered only by subject, and several items that could fit more than one category.
Wait a few days, then search naturally:
- The article about pricing from a design agency
- The PDF with the blue comparison table
- The page Alex sent before the workshop
- The screenshot showing a three-step funnel
Notice where you hesitate. If you must reconstruct a folder path or exact tag, the same maintenance burden remains. If broad results are noisy, check whether you can narrow by format, source or date without defining categories in advance.
Capture speed matters too. Try saving while reading, messaging and working on a phone. A system that feels manageable during migration may still be annoying in an ordinary week.
Move out of Diigo without rebuilding every tag
Preserve the original library first. In Diigo, go to Tools, then Export. Diigo's FAQ says several formats are available and can include URLs, titles, tags, annotations and highlights. Keep the resulting file unchanged as a fallback.
Migrate active work, recent reading and references you regularly revisit. Leave the long tail in the export until you need something from it. Preserve source titles, addresses and useful notes, but do not automatically recreate years of inconsistent tags.
Run Diigo and the replacement side by side briefly. Put new saves in the replacement while keeping the old library available for lookup. This separates the success of the new habit from the question of whether every historical bookmark needs to move.
Replace filing rules with retrieval checks
Once a month, choose five remembered saves and search by incomplete descriptions: a person, project, visual detail or approximate date. A miss reveals which context was absent at capture.
Keep titles descriptive when you control them. Preserve the source. Add a note only when it records something the page cannot tell you, such as why you saved it or which decision it supports.
Delete empty folders and tags only when they obstruct you. There is no prize for cleaning an obsolete taxonomy. A durable replacement lets you save during a busy week and later recover the item from the clues still in your head.
Diigo alternatives: common questions
Is Diigo free?
Diigo has a free tier and paid plans. Its FAQ says that if you cancel a subscription, your bookmarks, annotations and tags stay available on the free tier in read-only mode.
Is Diigo still active?
Yes. In October 2026 Diigo's site and help center are online and still offer the Chrome and Firefox extensions, and the FAQ covers current subscriptions.
What is the best free Diigo alternative?
Hypothesis for annotating pages and Raindrop.io for bookmarks. Both cover their core job on a free account.
How do I export my Diigo bookmarks?
Go to Tools, then Export, and pick a format. The export can include URLs, titles, tags, annotations and highlights.