Apps similar to Sigma File Manager include Double Commander, which is free and open source. Other options are Files, Spacedrive, XnView MP and Total Commander. File Managers like Sigma File Manager are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and iPad.
Marlin is a new GTK3-based file manager for Linux, pretty slick and fast.
Unlike most other file managers Marlin has included the so called "Miller columns" view.
Features
BB4Win (Blackbox for Windows) is an alternative shell for Microsoft Windows. The program aims to emulate the look and feel of a Linux based desktop. The BB4Win project was discontinued in 2005 but various branches have been built from the source.
Saladin is an open source dual-pane file manager for Windows which merges the capabilities of Windows Explorer with the well known and easy to use orthodox user interface.
Poland
EU
electerm is a terminal/ssh/sftp client(linux, mac, win) based on electron/node-pty/xterm/antd and many other libs, it works like a combination of guake and xshell.
China
UltraExplorer is a Windows Explorer replacement that will change the way you think about file management. Other Explorer replacement applications duplicate the same old paradigm introduced by Microsoft in Windows 95.
File Manager, a powerful & easy-to-use file manager & file explorer with desktop-grade features, helps you handle ALL your files efficiently.
United States
Nomad.NET is a powerful dual-pane file manager complete with breadcrumbs, thumbnails, integration with explorer plugins, and even support for multiple tabs.
Ukraine
Metro Commander is an orthodox file manager which allows you to manage your files and folders from within the Modern Windows UI interface.
EstoniaEU
Organize your projects with customizable templates.
Post Haste is a free project management tool that allows you to setup file and folder templates for your projects. Create a new project and everything's organized, ready for you to start.
United States
The original version of Servant Salamander was developed by Petr Šolín during his studies at the Czech Technical University. He released it as freeware in 1997. After graduation, Petr Šolín founded the company Altap in cooperation with Jan Ryšavý.
United States
It is a file manager for UNIX-like operating systems. It uses a simple and efficient interface pioneered by Norton Commander, in the 1980s.
