GtkRadiant

The open source, cross platform level editor for id Tech games.

Free software · icculus.org

Open GtkRadiant in AirStack

What GtkRadiant’s own pages say

What it says it doesThe open source, cross platform level editor for id Tech games. icculus.org
PlatformsLinux, Mac, Windows icculus.org
Free planYes icculus.org
Open sourceYes icculus.org
Licensereleased under a GPL license icculus.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.