2. ShenfunHigh performance computational platform in Python for the spectral Galerkin method
3. mpiFFT4pyParallel FFT in 3D or 2D using MPI for Python. Slab or pencil decomposition possible in 3D. Note this rep is being deprecated in favour of mpi4py-fft (https://bitbucket.org/mpi4py/mpi4py-fft)