| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 1 |
| Spec score · Window Management Software | 8.2 (#8) | 7.1 (#49) |
| Customization | IceWM is configurable and themeable, and the site says more than 450 themes are available to download. | It provides hooks for personal customizations and variables to tweak, and users can re-evaluate Lisp code while it is running. |
| Installation | The site provides instructions to download the source archive, configure it, build it, and install it. | The project provides source releases and a development version through Git, and documents building with configure and make. |
| License | IceWM and its documentation are covered by the GNU LGPL license. | The project repository identifies its license as GPL-2.0. |
| Support | The site directs users to report bugs on GitHub and links to manual pages, a manual, and an FAQ. | The project points users to a community wiki, an IRC channel, and a mailing list for discussion and help. |