Sites like Obsidian

01 · Entity

About Obsidian

Obsidian obsidian.md

Obsidian - Sharpen your thinking

The free and flexible app for your private thoughts.

Wikidata: knowledge base and note-taking software

Top 10K · #4,978 English 5 technologies Crawled Nov 6, 2026

Visit Obsidian

Summary by Claude

A free note-taking and personal knowledge base app that stores Markdown notes locally, with linking between notes, graph view, canvas, plugins and themes, plus paid end-to-end encrypted sync and web publishing services.

Who it’s for

Individuals, researchers, writers and teams managing notes

Business model

Freemium with paid sync, publish subscriptions and commercial licenses

• note-taking software
• Markdown notes
• personal knowledge management
• backlinks and graph view
• note sync with end-to-end encryption
• publish notes as website
• plugins and themes
• offline local notes
• canvas brainstorming

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Obsidian’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   Bitwarden bitwarden.com Top 10K English

   Best Password Manager for Business, Enterprise & Personal | Bitwarden | Bitwarden

   Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. Securely store, share, and manage passwords, passkeys, and secrets. Free to start.

   • Cloudflare DNS
   • Google Search Console
   • Amazon SES
   • Atlassian
   • Google Tag Manager
   • Google Workspace

   0 say Bitwarden is a good alternative to Obsidian 0 say Bitwarden isn’t a real alternative to Obsidian

   Comment
   Close cos 0.889
2. 02
   pastebin.com Top 10K English

   Pastebin.com - #1 paste tool since 2002!

   Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Amazon SES
   • Bootstrap
   • cdnjs

   0 say pastebin.com is a good alternative to Obsidian 0 say pastebin.com isn’t a real alternative to Obsidian

   Comment
   Close cos 0.888
3. 03
   Wikidot wikidot.com Top 10K English

   Wikidot - Free and Pro Wiki Hosting

   Polish wiki hosting corporation

   • Google Search Console
   • Bootstrap
   • Font Awesome
   • Google Workspace
   • Amazon Route 53
   • SendGrid

   0 say Wikidot is a good alternative to Obsidian 0 say Wikidot isn’t a real alternative to Obsidian

   Comment
   Close cos 0.888
4. 04
   Zotero zotero.org Top 10K English

   Zotero | Your personal research assistant

   Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

   • Amazon SES
   • Apache HTTP Server
   • Amazon CloudFront
   • Microsoft 365
   • Amazon Route 53

   0 say Zotero is a good alternative to Obsidian 0 say Zotero isn’t a real alternative to Obsidian

   Comment
   Close cos 0.887
5. 05
   Proton proton.me Top 10K English

   Proton: Privacy by default

   Over 100 million people use Proton to stay private and secure online. Get a free Proton account and take back your privacy.

   • Google Search Console
   • Astro
   • Proton Mail
   • Tailwind CSS
   • Yandex Webmaster
   • YouTube embeds

   0 say Proton is a good alternative to Obsidian 0 say Proton isn’t a real alternative to Obsidian

   Comment
   Close cos 0.886
6. 06
   Canva canva.com Top 1K English

   Canva

   online graphic design platform

   • Cloudflare
   • Google Search Console
   • Adobe
   • Apple Business
   • Atlassian
   • DocuSign

   0 say Canva is a good alternative to Obsidian 0 say Canva isn’t a real alternative to Obsidian

   Comment
   Close cos 0.887
7. 07
   Notion notion.com Top 10K English

   The AI workspace that works for you. | Notion

   Build Custom Agents, search across all your apps, and automate busywork. The AI workspace where teams get more done, faster.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Contentful
   • Marketo
   • Microsoft 365

   0 say Notion is a good alternative to Obsidian 0 say Notion isn’t a real alternative to Obsidian

   Comment
   Close cos 0.882
8. 08
   Desmos desmos.com Top 10K English

   Desmos | Beautiful free math.

   Desmos Studio builds free Graphing, Scientific, Geometry, and 3D Calculators along with Notebook. Explore our tools, partner with us, or explore examples for inspiration.

   • Google Search Console
   • Amazon CloudFront
   • Google Workspace
   • Matomo
   • nginx
   • Amazon Route 53

   0 say Desmos is a good alternative to Obsidian 0 say Desmos isn’t a real alternative to Obsidian

   Comment
   Close cos 0.882
9. 09
   Goodnotes goodnotes.com Top 10K English

   Goodnotes | Notes Reimagined | Note-Taking App

   Bring your thinking to life, collaborate in real time, and turn brainstorming into action with shared notes, whiteboards and text documents.

   • Cloudflare
   • Google Search Console
   • Apple Business
   • Atlassian
   • Amazon CloudFront
   • Google Tag Manager

   0 say Goodnotes is a good alternative to Obsidian 0 say Goodnotes isn’t a real alternative to Obsidian

   Comment
   Close cos 0.880
10. 10
    Wikidata wikidata.org Top 10K English

    Wikidata

    free multilingual online knowledge graph

    • Google Search Console

    0 say Wikidata is a good alternative to Obsidian 0 say Wikidata isn’t a real alternative to Obsidian

    Comment
    Close cos 0.882
11. 11
    Strava strava.com Top 10K English

    Strava | Running, Cycling & Hiking App - Train, Track & Share

    Strava connects millions of runners, cyclists, hikers, walkers and other active people through the sports they love – all on our mobile app and website.

    • Google Search Console
    • Adobe
    • Apple Business
    • Atlassian
    • Amazon CloudFront
    • Cookiebot

    0 say Strava is a good alternative to Obsidian 0 say Strava isn’t a real alternative to Obsidian

    Comment
    Close cos 0.880
12. 12
    SurveyMonkey surveymonkey.com Top 1K English

    SurveyMonkey: The World’s Most Popular Survey Platform

    Easily create surveys and forms with AI and templates for employee and customer feedback, market research, event registrations and more. Get started free.

    • Google Search Console
    • Adobe
    • Apple Business
    • Atlassian
    • Bing Webmaster Tools
    • Amazon CloudFront

    0 say SurveyMonkey is a good alternative to Obsidian 0 say SurveyMonkey isn’t a real alternative to Obsidian

    Comment
    Close cos 0.880
13. 13
    Syncthing syncthing.net Top 10K English

    Syncthing

    open source continuous file synchronization software

    • Fastly
    • Mailgun
    • Bootstrap
    • cdnjs
    • Font Awesome
    • GitHub Pages

    0 say Syncthing is a good alternative to Obsidian 0 say Syncthing isn’t a real alternative to Obsidian

    Comment
    Close cos 0.877
14. 14
    Overleaf overleaf.com Top 10K English

    Overleaf, Online LaTeX Editor

    An online LaTeX editor that’s easy to use. No installation, real-time collaboration, version control, hundreds of LaTeX templates, and more.

    • Cloudflare DNS
    • Google Search Console
    • Atlassian
    • Google Analytics
    • Google Cloud
    • Google Workspace

    0 say Overleaf is a good alternative to Obsidian 0 say Overleaf isn’t a real alternative to Obsidian

    Comment
    Close cos 0.877
15. 15
    Flaticon flaticon.com Top 10K English

    That request didn't go through. Our security filter flagged something. You don't have permission to access this page.

    database of icons

    • Google Search Console
    • Akamai
    • Amazon SES
    • Google Workspace
    • Mailchimp
    • Zendesk

    0 say Flaticon is a good alternative to Obsidian 0 say Flaticon isn’t a real alternative to Obsidian

    Comment
    Close cos 0.879
16. 16
    Grafana grafana.com Top 10K English

    Full-stack observability for the agentic era | Grafana Labs

    Avoid lock-in and ensure reliability with Grafana Cloud, the AI-powered platform built on open standards unifies metrics, logs, traces, profiles, and business data.

    • Google Search Console
    • Atlassian
    • DocuSign
    • GlobalSign
    • Google Cloud
    • Google Workspace

    0 say Grafana is a good alternative to Obsidian 0 say Grafana isn’t a real alternative to Obsidian

    Comment
    Close cos 0.876
17. 17
    Khan Academy khanacademy.org Top 10K English

    Client Challenge

    non-profit educational organization

    • Google Search Console
    • Apple Business
    • Canva
    • GlobalSign
    • Google Workspace
    • Meta Business Suite

    0 say Khan Academy is a good alternative to Obsidian 0 say Khan Academy isn’t a real alternative to Obsidian

    Comment
    Close cos 0.879
18. 18
    Drupal drupal.org Top 10K English

    Client Challenge

    free and open-source web content management system

    • Fastly
    • Google Search Console
    • Amazon SES
    • Atlassian
    • GlobalSign
    • Mailchimp

    0 say Drupal is a good alternative to Obsidian 0 say Drupal isn’t a real alternative to Obsidian

    Comment
    Close cos 0.879
19. 19
    SlideShare slideshare.net Top 1K English

    Client Challenge

    American hosting service, owned by Scribd, for professional content including presentations, infographics, documents, and videos

    • Fastly
    • Google Search Console
    • Google Workspace
    • Amazon Route 53

    0 say SlideShare is a good alternative to Obsidian 0 say SlideShare isn’t a real alternative to Obsidian

    Comment
    Close cos 0.878
20. 20
    doxygen.org Top 10K English

    Doxygen homepage

    Source code documentation and analysis tool

    • Cloudflare
    • Cloudflare DNS
    • Bootstrap
    • Cloudflare Web Analytics
    • Google AdSense

    0 say doxygen.org is a good alternative to Obsidian 0 say doxygen.org isn’t a real alternative to Obsidian

    Comment
    Close cos 0.877

Ranked by score: the cosine similarity of each site’s vector to obsidian.md’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Obsidian uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Obsidian is built with, and what its closest competitors use, from its homepage’s code and its DNS records.