Software · Networking & admin

double-finder

A native dual-pane file manager for macOS, written in pure AppKit — Total Commander's workflow, with a built-in viewer, archives, SFTP, S3, SMB and Android/MTP.

Completely free
macOS
Open source
No account

Overview

Features described in its GitHub repository: themes and dark mode, Markdown support.

File formats mentioned: EPUB, DNG, MP3, OGG, OPUS, MP4, MKV, WEBM and AVI.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Built-in plugins add a fourth mode for PDFs (dark mode, outline sidebar), Markdown, EPUB / Kindle books, images with zoom and pan (camera RAW such as CR2 / NEF / ARW / DNG included), and video / audio decoded…” — GitHub, 10 November 2026
“Built-in plugins add a fourth mode for PDFs (dark mode, outline sidebar), Markdown, EPUB / Kindle books, images with zoom and pan (camera RAW such as CR2 / NEF / ARW / DNG included), and video / audio decoded…” — GitHub, 10 November 2026

At a glance

All of double-finder is free: no feature is locked behind a paid plan, and its code is open.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 10 November 2026
Last technical check: 6 November 2026
Description from github.com — Dépôt GitHub qianwch/double-finder (Apache-2.0)

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