There are open sources of Python allow us analytics waves signal:

• MNE-Python: Help us explore, visualize, and analyze human neurophysiological data: MEG, EEG, sEEG, ECoG, and more.
• Nipy: A community of practice devoted to the use of the Python programming language in the analysis of neuroimaging data.
• PyEEG: Python + EEG/MEG = PyEEG

Otherwise, we have referenced additional as CbuMeg (CBU Magnetoencephalography), Research Projects of Brainwaves for Science