Meshroom is FOSS, relatively easy to use and works out of the box. It is industrial quality and is widely used in cinema and untertainment industry. So, I think it’s the go to if you want something robust and usable.

NVidia provide several reasearch software to do Radiance Field stuff on their github: https://github.com/NVlabs. They gives impressive results, but none of them is user friendly. It’s reasearch stuff.