Felt vs NASA WorldWind
| Felt | NASA WorldWind | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, api, iOS, Linux, macOS, self-hosted, Web, Windows | Web, Windows, macOS, Linux, Android |
| Free plan | Yes | Yes |
Both are listed in Best GIS Software. On Freedom251, Felt scores higher on our published basis.