| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 0 |
| Spec score · Window Management Software | 8.2 (#8) | 7.0 (#53) |
| Customization | IceWM is configurable and themeable, and the site says more than 450 themes are available to download. | Users can customize most aspects of desktop interaction, including mouse behavior, key bindings, themes, and per-window settings. |
| Installation | The site provides instructions to download the source archive, configure it, build it, and install it. | The installation guide describes building Openbox from source and lists development dependencies including Xlib, Glib, LibXML, and Pango. |
| Product | IceWM is a window manager for the X Window System, designed for speed, simplicity, and minimal interference. | Openbox is a minimalistic, highly configurable window manager with extensive standards support. |
| Purpose | IceWM is a window manager for the X Window System designed for speed, simplicity, and not getting in the user’s way. | It lets users run modern applications outside a full desktop environment and can also run inside GNOME or KDE. |
| Standards | The manual says IceWM is compatible with the EWMH and ICCCM window manager protocols. | Openbox aims to follow ICCCM and the freedesktop.org EWMH window-manager specification. |
| Support | The site directs users to report bugs on GitHub and links to manual pages, a manual, and an FAQ. | The site provides documentation, FAQs, bug-report links, and community resources; bug reports should explain how to reproduce the problem. |
| Window management | It supports keyboard and mouse controls, Alt+Tab switching, a window list, and several configurable focus models. | Features include dynamic desktops, focus cycling across desktops, synchronized window resizing, and animated minimize and restore. |