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Head-to-head · Personal Knowledge Management Software

TiddlyWiki vs TheBrain

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score TiddlyWiki #3 in Personal Knowledge Management Software 7.7/10 Free plan Free plan✓ 0 of 4 features Visit TiddlyWiki
TheBrain #6 in Personal Knowledge Management Software 7.3/10 Free plan · paid from $15/mo Free plan✓ 4 of 4 features Visit TheBrain

TiddlyWiki leads on 0 checks, TheBrain on 4, and 1 is even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTiddlyWiki · 7.7/10
  • Free planboth
  • Most featuresTheBrain · 4 of 4

TiddlyWiki scores higher on our rubric for personal knowledge management software: 7.7 against 7.3 out of 10; our editors rank them #3 and #6.

TheBrain offers backlinks; TiddlyWiki doesn't publish it. TheBrain offers graph view; TiddlyWiki doesn't publish it. TheBrain offers offline access; TiddlyWiki doesn't publish it. TheBrain offers import and export; TiddlyWiki doesn't publish it.

TiddlyWiki is the better fit for customizable self-hosted wikis. TheBrain is the better fit for long-established visual knowledge graphs.

  • TiddlyWiki fits best

    Customizable self-hosted wikis

  • TheBrain fits best

    Long-established visual knowledge graphs

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature TiddlyWiki 7.7/10 Visit ↗ TheBrain 7.3/10 Visit ↗
At a glance
Editor score 7.7 7.3
Ranking #3 in Personal Knowledge Management Software #6 in Personal Knowledge Management Software
Best for Customizable self-hosted wikis Long-established visual knowledge graphs
Pricing model Free Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted, Desktop Cloud, Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Community, Docs Email, Live chat, Phone, Community, Docs
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features TiddlyWiki 0/4 · TheBrain 4/4
Backlinks Not published ✓ (best)
Graph view Not published ✓ (best)
Offline access Not published ✓ (best)
Import and export Not published ✓ (best)
Specs
Organization model Not published Graph
Supported platforms Not published Windows, macOS, Linux, iOS, Android, web
Our review
Pros
  • Free, open-source, self-hosted knowledge management
  • Flexible organisation with links, tags, tiddlers and WikiText
  • Plugin extensibility, authentication and an HTTP API
  • Visual network with backlinks, mapped links, and unlinked mentions
  • Free plan includes unlimited thoughts, links, brains, and local notes
  • Runs across web, desktop, mobile, and Linux platforms
Cons
  • Page permissions are not included
  • Self-hosting can require Node.js or server setup
  • Less feature-rich for modern synchronization and integrations
  • Paid plans are required for unlimited private sync
  • No integrations are included
  • Collaboration and shared brains require TeamBrain
Our verdict

TiddlyWiki is an open-source, non-linear wiki for individuals and small groups that want to organise knowledge in a personal, self-hosted environment. Its single-file HTML format runs in a web browser, while a Node.js command-line and…

Read the review →

TheBrain is a personal knowledge management application built around a visual network of connected thoughts, concepts, notes, files, and web links. It suits researchers, writers, students, and knowledge workers who prefer graph-based…

Read the review →
  1. TiddlyWikiPersonal Knowledge Management Software 7.7Free plan
  2. TheBrainPersonal Knowledge Management Software 7.3Free plan · paid from $15/mo

Strengths and trade-offs

  • TiddlyWiki — where it wins

    • Free, open-source, self-hosted knowledge management
    • Flexible organisation with links, tags, tiddlers and WikiText
    • Plugin extensibility, authentication and an HTTP API

    Where it doesn't

    • Page permissions are not included
    • Self-hosting can require Node.js or server setup
    • Less feature-rich for modern synchronization and integrations

  • TheBrain — where it wins

    • Visual network with backlinks, mapped links, and unlinked mentions
    • Free plan includes unlimited thoughts, links, brains, and local notes
    • Runs across web, desktop, mobile, and Linux platforms

    Where it doesn't

    • Paid plans are required for unlimited private sync
    • No integrations are included
    • Collaboration and shared brains require TeamBrain

More comparisons

All personal knowledge management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update