Compare software

tree vs tre: catalog facts
tree	tre
Free Free and open source under the GPLv2.	Free Free to use; the source is published on GitHub.
Linux, Command line	Command line
Simple, familiar way to view a folder hierarchy HTML, JSON and XML output options	Respects .gitignore in Git repositories Numbered aliases for opening listed files quickly
Distributed mainly as source code to build Large directory trees can produce very long output	Fewer output options than the classic tree command Releases are occasional
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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