When comparing ForkLift 3 vs Nemo, the Slant community recommends ForkLift 3 for most people. In the question“What are the best Total Commander alternatives for Linux and OSX?” ForkLift 3 is ranked 9th while Nemo is ranked 11th.
Ranked in these QuestionsQuestion Ranking
Pro Easily toggle hidden files
Pro Connect to and mount lots of storage options
FTP, WebDAV, Amazon S3, Backblaze B2, Google Drive, Rackspace CloudFiles, SMB, AFP, NFS, VNC, etc.
Pro Optional dark UI
In addition to the default Mac gray UI, Forklift 3 offers an alternate "Dark Mode" featuring light text elements against dark backgrounds.
Pro Built-in application remover
Pro Rewritten in Swift
Forklift 3 is a significant update from FL2, having been rewritten entirely in Swift.
The most stylish among all FMs.
Pro Easily open file location in terminal
Option to open a folder in terminal, which can help executing commands such as bash.
Pro Easily open as root
Option to open folder as root from within the right click menu.
Nemo can be extended to have additional features through third party plugins.
Pro Supports bookmarking
You can bookmark folders that you open often, this way you can easily access them from anywhere while using Nemo.
Pro Has dual pane functionality
This functionality was removed in Nautilus and Dolphin at least in Ubuntu-Gnome, but Nemo kept this option, making the obvious functionality of cut, copy and paste much easier.
Pro Queues file operations
Pro Good networking options
Supports ftp, ssh and samba connections.
Con Changing the background color or font type for customization is not practical
You have to do it with finding and editing the relevant CSS files. No buttons, menus or sliders for such customization.
Con Incomplete mimetypes
Like all nautilus forks it allows you to run svg-files due some incomplete mimetype coverage.
Con Depends on GNOME
Depends on gnome toolkits an libraries.