Operator
Mclean Systems Research Group, LLC
MSRG operates the Treetor website, account service, desktop entitlement service, and customer support.
About
Structured thinking, kept close to you.
Treetor is local-first desktop software for writing and arranging text and pictures in a tree. It is built and operated by Mclean Systems Research Group, LLC (MSRG).
Product principles
What Treetor is built around.
Local-first files
Your working trees and pictures stay in the data folder on your device. Treetor's services handle account access, entitlement, billing state, and installer delivery—not your tree content.
Verifiable releases
Official installers are published through the Treetor public GitHub Releases repository with SHA-256 checksums. Windows releases are signed and macOS packages are signed and notarized.
Direct support
Email support@treetor.app for product help, account questions, bug reports, or responsible security reports. Most replies go out within one business day.
Details
Policies and product documentation.
How the product works
Read the user guide or review the public changelog.
Policies
Privacy, Terms, and the Refund Policy explain the service and customer commitments.