SpaceFM is a multi-panel tabbed file manager for Linux with built-in VFS, udev-based device manager, customizable menu system, and bash integration
SpaceFM Features:
* Lightweight - Written in C with GTK2 stability, inotify kernel and libudev support
* Responsive - Built-in vfs runs fast with low resource usage (no gvfs, etc)
* Flexible - Can appear very simple or very complex depending on configuration
* Multiple Windows - A single instance opens multiple windows
* Multiple Panels - Each window contains up to four independently configured and interactive browser panels plus a task manager pane
* Tabbed - Each browser panel supports multiple folder tabs
* Side Panes - Any browser panel can show Devices, Bookmarks, and Directory Tree side panes
* Desktop Manager - Includes a built-in, lightweight DM mode with custom commands - works great with Openbox
* Device Manager - Built-in libudev support for manual and automatic device management, plus easily format, backup and restore partitions and MBRs
* Task Manager - Control or eliminate popup dialogs with multitasking abilities - no waiting to move on to your next task
SpaceFM Features:
* Lightweight - Written in C with GTK2 stability, inotify kernel and libudev support
* Responsive - Built-in vfs runs fast with low resource usage (no gvfs, etc)
* Flexible - Can appear very simple or very complex depending on configuration
* Multiple Windows - A single instance opens multiple windows
* Multiple Panels - Each window contains up to four independently configured and interactive browser panels plus a task manager pane
* Tabbed - Each browser panel supports multiple folder tabs
* Side Panes - Any browser panel can show Devices, Bookmarks, and Directory Tree side panes
* Desktop Manager - Includes a built-in, lightweight DM mode with custom commands - works great with Openbox
* Device Manager - Built-in libudev support for manual and automatic device management, plus easily format, backup and restore partitions and MBRs
* Task Manager - Control or eliminate popup dialogs with multitasking abilities - no waiting to move on to your next task
source:http://linuxpoison.blogspot.com/2012/04/135781677511542.html