Side by side
Avidemux vs GtkRadiant
Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source LinuxMacWeb+1
Visit Avidemux 
Free plan Open source LinuxMacWindows
GtkRadiant offers level-editing tools for a range of id Tech games, but support varies by game and version. Its GPL license does not come with warranty or support from the project.
Visit GtkRadiantThe facts
| Avidemux | GtkRadiant | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Runs on | Linux, Mac, Web, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Not published | Not published |
| Website | avidemux.sourceforge.net | icculus.org |
| Best place | #1 on text-to-speech software | #4 on game level editors |
Avidemux: what it does well
GtkRadiant: what it does well
- Includes map compilers and data authoring tools.
- Q3Map2 is included.
- Provides terrain and entity-placement tools.
- Runs on Linux, macOS, and Windows.
- Source is available on GitHub.
What to know first
- Some game support depends on active developers.
- Mac version requires XQuartz, MacPorts, and other dependencies.
- Provided without warranty or support.
- Flathub marks it unverified and potentially unsafe.