About this file manager guide

Harbor Quill is the publisher name on this independent install guide for a dual-pane file manager. The product covered is Double Commander under GPL-2.0. Download links point at GitHub Releases for doublecmd/doublecmd.

Editorial work verifies asset names, package ids when present, and reader-facing install steps. Harbor Quill is not the Double Commander development team. Upstream support and source remain on the official repository and project sites.

Contact options appear on the contact page. Verification habits are described in how we verify. Advertising status is disclosed on advertising disclosure.