The Open Bioinformatics Foundation (OBF) is a non-profit, volunteer-run group that promotes open source software development and Open Science within the biological research community. Membership in the OBF is open to anyone who wants to help promote open source or open science in a biological field. OBF runs the annual Bioinformatics Open Source Conference (BOSC). BOSC 2022 was held July 13-14, 2022, as part of ISMB 2022 in Madison, Wisconsin, USA (with an online participation option). BOSC 2023 will be part of ISMB/ECCB 2023 in Lyon, France, on two days between July 24-28, 2023.