PhotonCamera uses advanced algorithms for capturing and processing raw images which give unmatched HDR outputs. PhotonCamera is currently in beta stage and is having rapid development.
Features:
HDRX - This functionality enables advanced stacking of many underexposed images and creates beautiful outputs.
Utilize each camera lens, by the main, wide, macro, telephoto or even IR, a functionality not available in other open source apps.
Manual Control - Easy to use knobs to control Focus, Shutter Speed and ISO on the go.
Configurable Settings :
Number of frames(maximum)
Sharpness
Saturation
Shadow Strength
Interactive viewfinder
Enabling the grid
Enabling viewfinder rounding
Advanced mode settings
Save separate settings for each camera lens
Wide range of supported devices.
Tried it on an older Pixel with GrapheneOS.
Can't zoom, can't switch to wide-angle lens. Camera does not balance brightness by the focus point. Otherwise pictures look pretty much the same.
I suppose this was made for specific devices in mind?