Thunar is a file manager for Linux and other Unix-like systems, written using the GTK+ 2 toolkit. Developed by Xfce, Benedikt Meurer, Jannis Pohlmann, Nick Schermer
License: Open Source
Double Commander is a powerful, feature-rich file manager with a dual-pane interface, making it suitable for advanced users who require extensive file management capabilities. Thunar, on the other hand, is a lightweight and straightforward file manager primarily designed for users seeking simplicity and speed.