AutoRenamer
Automatically rename files have them sort in given order

Double Commander
Double Commander is a cross platform open source file manager with two panels side by side.
Enlightenment File Manager
File Manager provided by Enlightenment
emelFM2
2-pane file manager
Gentoo
Fully GUI-configurable, two-pane X file manager

GNOME Commander
A two paned file manager
Files
Access and organize files
Krusader - root-mode
Twin-Panel File Manager with root-privileges
Krusader
Twin-Panel File Manager
Nautilus-Actions Configuration Tool
Configure items to be added to the Nautilus context menus
File Manager PCManFM
Browse the file system and manage the files

SpaceFM
Browse the file system
Thunar File Manager
Browse the filesystem with the file manager

Vifm
Vi[m] like ncurses based file manager
Xfe
A lightweight file manager for X Window

Gentoo File Manager
Manage files in a split view window
PCManFM File Manager
Browse the file system and manage the files
ranger
Launches the ranger file manager
Open Folder with Thunar
Open the specified folders in Thunar
PCManFM-Qt File Manager
Browse the file system and manage the files

4Pane
A four-pane file manager

FileManager-Actions Configuration Tool
Configure items to be added to the File-Manager context menus

PathFinder
File browser

Sunflower
Browse the file system and manage the files

Root-Filemanager
Access and organize files with root priviliges
Liri Files
Access and organize files
Wine File
Wine File Browser

Double Commander QT5
Double Commander QT5 is a cross platform open source file manager with two panels side by side.
H2rename
batch file rename tool

Eagle Mode
Eagle Mode file manager

QtFM
Qt File Manager