When comparing TotalFinder vs Disk Order , the Slant community recommends Disk Order for most people. In the question“What are the best Mac file managers?” Disk Order is ranked 9th while TotalFinder is ranked 21st. The most important reason people chose Disk Order is:
Can be used to connect to a server over FTP/SFTP.
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Pros
Pro Adds dual panes to the Mac finder
A great feature of TotalFinder is the ability to have dual panes. This is really handy for moving files around.
Pro Adds cut/paste context menu functionality to Finder
You can cut and paste with just the mouse.
Pro Copy path to file or directory feature
You can copy the path to a directory or file using the context menu in Finder, options include POSIX Path, URL, Windows Path, UNC Path, HFS Path, and Terminal Path.
Pro FTP/SFTP support
Can be used to connect to a server over FTP/SFTP.
Pro Built-in viewer
Disk Order has a built-in viewer for html, rtf, mov, mp3, jpg, gif, tiff and many other file formats.
Pro Versatile dual-pane interface
Disk Order is split in two side-by-side panes each of which can have tabs with different views. Great for easily managing files.
Cons
Con Requires special installation procedure in El Capitan and later due to "System Integrity Protection"
"System Integrity Protection" (also know as "Rootless") is a feature introduced in El Capitan that, among other things, inhibits applications to inject code on system apps (TotalFinder injects code into Finder).
For TotalFinder to work properly one must disable SIP temporarly to install. After installation a user can turn SIP back on without issue.
Instructions are detailed here.