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TreeSheets alternatives: 6 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave TreeSheets: no cloud sync, sharing or real-time collaboration, and no mobile apps. We ranked 6 alternatives by how directly each one replaces TreeSheets, then by reviews, real visits and how recently each app's facts were checked against its own website. Obsidian currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Trilium Notes logoTrilium NotesOpen sourceYesWindows, macOS, Linux +24 of 459.4
  1. Trilium Notes logo

    1. Trilium NotesTop pick

    Best for: Tinkerers who want a large, scriptable knowledge base on their own server

    Open sourceSelf-hostableWindows, macOS, Linux, Web, Self-hosted

    59.4

    score / 100

    Why switch from TreeSheets

    Open-source hierarchical notes with a tree of rich-text pages and optional self-hosted sync.

    Pros

    • Free and open source with no paid tiers
    • Handles very large hierarchical note trees
    • Scripting, templates and relations
    • Works offline with no account

    Cons

    • No official mobile app
    • You host your own sync server
    • Interface feels dated
    Visit Trilium Notes Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Trilium Notes a good TreeSheets alternative?

    Verified facts

    4 of 4 verified
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Price
    Free, no paid tiers
    Checked Oct 29, 2026triliumnotes.org(opens source in a new tab)
    Self-hosting
    Yes
    Checked Oct 29, 2026triliumnotes.org(opens source in a new tab)
    Official mobile app
    No
    Checked Oct 29, 2026triliumnotes.org(opens source in a new tab)

The best TreeSheets alternative for…

The highest-ranked app in this list for each need.

Obsidian logo

Best TreeSheets alternative for most people

Obsidian

Local Markdown notes with a large plugin library, including outliner and table plugins.

Logseq logo

Best TreeSheets alternative for a free option

Logseq

Open-source local-first outliner with backlinks and daily journals, plus mobile apps.

Workflowy logo

Best TreeSheets alternative for a free plan you can upgrade

Workflowy

Infinitely nested lists with sync across web, desktop and mobile, if you mostly use TreeSheets as an outliner.

Trilium Notes logo

Best TreeSheets alternative for open source

Trilium Notes

Open-source hierarchical notes with a tree of rich-text pages and optional self-hosted sync.

Trilium Notes logo

Best TreeSheets alternative for self-hosting

Trilium Notes

Open-source hierarchical notes with a tree of rich-text pages and optional self-hosted sync.

Dynalist logo

Best TreeSheets alternative for Mac

Dynalist

Outliner with checklists, dates and cross-device sync, adding the cloud access TreeSheets lacks.

Freeplane logo

Best TreeSheets alternative for Windows

Freeplane

Free desktop mind mapper for people who use TreeSheets mainly for brainstorming maps.

Obsidian logo

Best TreeSheets alternative for Linux

Obsidian

Local Markdown notes with a large plugin library, including outliner and table plugins.

Obsidian logo

Best TreeSheets alternative for iPhone and Android

Obsidian

Local Markdown notes with a large plugin library, including outliner and table plugins.

Workflowy logo

Best TreeSheets alternative for working in the browser

Workflowy

Infinitely nested lists with sync across web, desktop and mobile, if you mostly use TreeSheets as an outliner.

TreeSheets alternatives: common questions

What is the best alternative to TreeSheets?

Obsidian ranks first right now. Local Markdown notes with a large plugin library, including outliner and table plugins. Workflowy and Logseq follow it in our ranking.

Is there a free alternative to TreeSheets?

Yes. Obsidian (free plan + paid), Workflowy (free plan + paid), Logseq (open source) and Dynalist (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to TreeSheets?

Yes: Logseq, Trilium Notes and Freeplane. Trilium Notes can also be self-hosted.

Which TreeSheets alternatives work on Linux?

Obsidian, Workflowy, Logseq, Dynalist and Trilium Notes run on Linux.

Why do people switch from TreeSheets?

The complaints we hear most: no cloud sync, sharing or real-time collaboration; no mobile apps; dated, utilitarian interface with a learning curve for the nested model.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces TreeSheets, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.