Lubuntu 14.04 is a lightweight variant of Ubuntu that provides the minimalist LXDE desktop and a selection of light applications. Features: based on the lightweight LXDE desktop environment; PCManFM, a fast and lightweight files manager using GIO/GVFS; Openbox, a fast and extensible default window manager of LXDE; LightDM, a simple GTK+ greeter; Firefox, the famous web browser; based on Ubuntu 14.04 LTS. Improvements since Lubuntu 13.10: LTS Support (3 years); new PCManFM (version 1.2.0) with a lot of new features (folder settings, dual-pane view, menu editing); new LXSession default applications with a new user interface; an update of the artwork (new icons, theme update).
About Lubuntu
Lubuntu is a fast, lightweight and energy-saving variant of Ubuntu using the LXDE (Lightweight X11 Desktop Environment) desktop. It is intended to have low-resource system requirements and is designed primarily for netbooks, mobile devices and older PCs.