When comparing Nemo vs jFileProcessor, the Slant community recommends Nemo for most people. In the question“What are the best file managers for UNIX-like systems?” Nemo is ranked 7th while jFileProcessor is ranked 26th. The most important reason people chose Nemo is:
The most stylish among all FMs.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Elegant
The most stylish among all FMs.
Pro Extendable
Nemo can be extended to have additional features through third party plugins.
Pro Easily open as root
Option to open folder as root from within the right click menu.
Pro Easily open file location in terminal
Option to open a folder in terminal, which can help executing commands such as bash.
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 Double pane and search by name capabilities
Pro Supports bookmarking
You can bookmark folders that you open often, this way you can easily access them from anywhere while using Nemo.
Pro Good networking options
Supports ftp, ssh and samba connections.
Pro Queues file operations
Pro Easy to run commands on selected files
Find/select files in sub-folders. run touch %f or cp %f /somefolder (this is a way to copy selected files in different levels, into 1 folder, flattening out the copy).
Pro Easy rename files script
Select files. regex to match pieces of filenames, rename adding, leaving out, and reusing saved pieces.
Pro Groovy scripts to watch and act on files that get created/put into a folder.
So you can watch a folder and process files that come into it.
Pro You can make your own file associations. You can make 3 types, per suffix, per filename, per exact file.
With exact file you can create a folder of job or desktop icon names. Double-click that file to run the job since it is tied to just that specific file.
Pro Can make sftp connections
Pro You can write a script to modify your list
Your script can modify contents in the list window it is working on.
Pro Plugin scripts
Just put groovy scripts in menu-scripts folder and they will automatically run using currently selected files.
Pro Run any groovy scriptable command on a list
Run commands on your lists: grep files to find stuff, delete/copy/move files, etc.. Even copy a file to a remote host and execute it.
Pro Create and work with lists of filenames or any string
Search files and save to another file or a list window. Add or subtract one list from another.
Pro Can do count only
Just count matching search criterion.
Pro Good search
Search on modified time, file size, glob/regex name, folder depth; and/or on these and can do range.
Pro Cross-platform
Available for Linux, Windows, macOS - just needs java 7+ (written with 8).
Cons
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.
Con Does not see attached phone files
No mtp:/ connected phone files.