Alternatives to TreeSheets
Organize ideas in a grid of nested cells. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
TreeSheets
Organize ideas in a grid of nested cells.
Replacements
Listings that take over the same core job as TreeSheets.
Workflowy
A nested outliner that organizes notes, lists and projects as a single tree of bullets.
Workflowy organizes everything as one nested tree of bullets with synced desktop, mobile and web apps, but is closed source and caps free nodes monthly.
OmniOutliner
An outlining app for Mac, iPad, iPhone and Vision Pro for structuring ideas and documents.
OmniOutliner combines outlines with columns and smart calculation columns on Apple devices, a paid alternative to TreeSheets' free cross-platform nested grids.
Checkvist
A keyboard-driven online outliner for building nested task lists, checklists and research notes.
Checkvist is a keyboard-driven online outliner with unlimited hierarchy and sharing, running in the browser instead of as a local desktop app.
Freeplane
Mind mapping and knowledge management that goes far beyond drawing bubbles, with scripting, conditional styles and attributes.
Freeplane is a GPL-2.0 mind mapping tool with attributes, conditional styles and Groovy scripting, running on Java instead of using a nested grid.
Bike
A fast outliner and rich text writing app for the Mac that uses standard file formats.
Bike is a paid, Mac-only outliner that stays fast with very large outlines and uses standard file formats, dropping the spreadsheet-like cell grid.
CherryTree
A hierarchical notebook with rich text and syntax highlighting, storing everything in one file or a folder you control.
CherryTree organises notes as a hierarchical tree of rich-text nodes with code and tables on Windows and Linux, rather than a grid of cells.
Similar software
Related functionality, not a direct replacement.
VYM
Mind mapping application for arranging ideas as a tree.
Heimer
Arrange ideas as connected nodes in a desktop mind map.
Logseq
An outliner that stores notes as plain Markdown files, built around a daily journal and linked blocks.
SimpleMind
Cross-platform mind mapping app for brainstorming and planning, sold with a single purchase per platform.
MindNode
A mind mapping and outlining app for Apple devices that turns loose ideas into structured plans.
Xmind
A mind mapping and brainstorming app for web, desktop and mobile with AI and Gantt planning.