An overview of the Open Software Summer School 2026 schedule. There are two tracks in the first week, "Animals in Motion" and "Large Array Data". "BrainGlobe" and "Extracellular Electrophysiology" will be run in the second week. Each week starts with a symposium on the Monday afternoon, followed by 3 days of the course, and then a 2 days of collaboration, bringing together researchers and engineers to use, and improve neuroscience open source software.