Hey there,
I tried to build a list with links to useful free and open geodata sources. Are you missing any important services? Please tell us in the comment section.
ALOS/PALSAR Data: Global 25m resolutions PALSAR-2/PALSAR mosaic and forest/non-forest map
ALOS World 3D – 30m: Global digital surface model (DSM) dataset
For the hyperspectral people using Spectral Python: Version 0.19 was released just today.
For the hyperspectral people not using Spectral Python: Give it a try!
It has functions for reading, displaying, manipulating, and classifying your data and of course it is FOSS.
https://github.com/spectralpython/spectral
Perhaps there is some need for a