The BOSC-OBF 2021 Event Support Fund enabled awardees to register for free for BOSC 2021, an annual conference hosted by the Open Bioinformatics Foundation (OBF), which promotes and facilitates the open source bioinformatics development and open science. Based on the OBF Event Fellowship program, the BOSC-OBF support fund aimed to facilitate participation of diverse researchers from historically underrepresented groups at BOSC,