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TreeSheets vs Bike: catalog facts
TreeSheets	Bike
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid A paid app, available to download directly or from the Mac App Store.
Windows, macOS, Linux	macOS
Combines hierarchical outlines with spreadsheet-like structure.	Stays fast with very large outlines Row types for headings, ordered lists and task lists
Its nested-grid workflow takes some adjustment for new users.	Mac only Paid app
Downloadable app	Downloadable app
Open source	Closed source
License: Zlib	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.