brains-py, A framework to support research on energy-efficient unconventional hardware for machine learning. - Unai Alegre Ibarra; Hans-Christian Ruiz Euler; Humaid A. Mollah; Bozhidar P. Petrov; Srikumar S. Sastry; Marcus N. Boon; Michel P. de Jong; Mohamadreza Zolfagharinejad; Florentina M. j. Uitzetter; Bram van de Ven; António J. Sousa de Almeida; Sachin Kinge; et al. (J. Open Source Softw., 2023)