| 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) | 6.5 (#56) |
| Customization | IceWM is configurable and themeable, and the site says more than 450 themes are available to download. | The project documents a configurable settings file, including options for focus behavior, window sizing, and gravity tiling. |
| Installation | The site provides instructions to download the source archive, configure it, build it, and install it. | The install page describes packages or installation instructions for Arch Linux, Debian, Exherbo, Gentoo, openSUSE, and Ubuntu. |
| License | IceWM and its documentation are covered by the GNU LGPL license. | The project says its code can be distributed under the GNU GPLv2. |
| Product | IceWM is a window manager for the X Window System, designed for speed, simplicity, and minimal interference. | subtle is a manual tiling window manager that divides the screen into customizable slots called gravities. |
| Standards | The manual says IceWM is compatible with the EWMH and ICCCM window manager protocols. | The feature list states compliance with EWMH, ICCCM, MWM, and the XDG Base Directory specification. |
| Support | The site directs users to report bugs on GitHub and links to manual pages, a manual, and an FAQ. | The project directs users with problems to its FAQ, bug tracker, and forum. |
| Window management | It supports keyboard and mouse controls, Alt+Tab switching, a window list, and several configurable focus models. | Its strict tagging maps windows to virtual desktops called views that have matching tags. |