Hosted by Academy Software Foundation (ASWF), Open Source Days is the leading event dedicated to open source software for visual effects, animation, and digital content creation.

Open Source Days has two main components:

1. Open Source Days Main Program: July 19, 2026 – a full day of presentations from visual effects/animation studios, software vendors, and other professionals about emerging trends, best practices, and updates to popular open source projects. Attend in-person in Los Angeles.
2. SIGGRAPH Birds of a Feather: July 20, 2026 – a full day of open source Birds of a Feather sessions within SIGGRAPH.

The main program on July 19 is open to anyone interested in attending. You will need a SIGGRAPH badge to attend the Birds of a Feather sessions.

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