PyMoDAQ is an open-source solution for the acquisition of data from sensors (temperature, voltage, etc.) that can be interconnected with nearly 30 types of instrument. Since its creation in 2018, PyMoDAQ has been considered a serious alternative to ubiquitous proprietary data acquisition software. It is considered an exemplary software in its category because of its impact on the scientific community, its technical modularity, its high-quality documentation and its creators’ commitment to open science.