TreeSheets

Hierarchical spreadsheet for organizing complex information

About TreeSheets

TreeSheets replaces flat spreadsheets with nested grids where cells can contain entire sub-sheets, making it suited to to-do lists, calendars, brainstorming and small databases. It is a small, fast desktop application for Windows, macOS and Linux with a zoomable interface.

TreeSheets website preview

Live preview of strlen.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.

TreeSheets: strengths & things to check

Strengths

Completely free to use — this directory lists no paid plan for it.
Covers mind mapping, outliner, spreadsheet, organization, open source — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

Free tools can change their model or shut down — avoid locking critical work into it without an export path.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 2328 tools in the Productivity & Notes category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

TreeSheets pricing

Pricing model	Free — listed in this directory as a free tool, with no paid plan required to use it.
Free access	Yes — fully free
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	strlen.com

TreeSheets key facts

Category: Productivity & Notes
Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas: mind mapping, outliner, spreadsheet, organization, open source
Official site: strlen.com

TreeSheets FAQ

How much does TreeSheets cost?

Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (strlen.com).

What is TreeSheets used for?

Hierarchical spreadsheet for organizing complex information Its focus areas in the Productivity & Notes category: mind mapping, outliner, spreadsheet, organization, open source.

Where can I try TreeSheets?

On its official site, strlen.com — the Visit Official Site button above goes straight there.

TreeSheets vs alternatives

	TreeSheets	HMind	Mind Map Wizard	VYM - View Your Mind
Pricing	Free — listed in this directory as a free tool, with no paid plan required to use it.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	mind mapping, outliner, spreadsheet, organization, open source	mind mapping, outliner, offline, notes, diagrams	mind mapping, ai, brainstorming, open source	mind mapping, brainstorming, open source, desktop
Official site	strlen.com	hmind.app	mindmapwizard.com	insilmaril.de
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Productivity & Notes category

Notes, tasks, and project tools that keep you organized and focused. The Productivity & Notes category on Tools Hub currently lists 2328 tools. Alongside TreeSheets, it includes IOctopus, HMind, Klartab, TickTappy.

FreeProductivity & Notesmind-mappingoutlinerspreadsheetorganizationopen-source

Alternatives to TreeSheets

Tools in the same Productivity & Notes category that share focus areas with TreeSheets — worth comparing before you commit:

Productivity & Notes

HMind

Mind maps and outlines that work offline without an account

Freemiummind-mappingoutlinerofflinenotes

Productivity & Notes

Mind Map Wizard

Open-source AI mind map generator that works without signup

Freemiummind-mappingaibrainstormingopen-source

Productivity & Notes

VYM - View Your Mind

Free GPL mind-mapping tool for structuring thoughts as tree maps

Freemind-mappingbrainstormingopen-sourcedesktop

Productivity & Notes

ActivityWatch

Automatically track how you spend time on your devices, privately and free.

Freetime-trackingprivacyquantified-selfopen-source

Productivity & Notes

Admidio

Free membership management for organizations, clubs, and associations

Freemembershipself-hostedopen-sourceclubs

Productivity & Notes

AdventureLog

Travel log, trip planner, and world map in one app

Freetraveltrip-plannerself-hostedopen-source

More in Productivity & Notes

Comparing tools in the Productivity & Notes category? These related listings are worth a look: IOctopus — Organic online mind mapping with real-time collaboration; HMind — Mind maps and outlines that work offline without an account; Klartab — Deliberately simple timesheets for freelancers, plus an agency approval companion.