Welcome to OSSFE 2025!

The Open Source Software for Fusion Energy (OSSFE) Conference is a first-of-its-kind event dedicated to the development, use, and advancement of open-source software in the fusion energy community. Whether you're an experienced researcher, developer, or new to the field, OSSFE offers a collaborative platform to share insights, tools, and innovations that push the boundaries of fusion energy research.

Why OSSFE?

Open-source software is transforming the way we approach scientific challenges, enabling greater collaboration, transparency, and innovation. Fusion energy, with its complexity and global impact, is a prime area where open-source tools can accelerate breakthroughs. OSSFE brings together experts and newcomers to explore the latest developments in simulation, data management, material science, and more — all with a focus on open-source solutions. If you are interested in sponsoring the event, please take a look at our sponsorship page.

What to Expect

• Engaging Talks: Hear from leading voices in fusion energy and software development.
• Software demos: Gain practical skills and insights through interactive sessions.
• Collaborative Discussions: Connect with fellow researchers, developers, and organizations to share knowledge and build partnerships.
• Showcase of Innovations: Discover cutting-edge tools and software that are shaping the future of fusion research.
• Panel discussion: Put your questions to the panel of open source enthusiasts.

Key Topics

• Plasma physics
• Neutronics
• Tritium transport and fuel cycle
• Thermal-hydraulics and CFD
• Superconducting magnets and superconductivity
• Material science
• Diagnostics
• Machine learning and AI in fusion
• Software validation and verification
• System modelling
• Community Governance and Sustainability
• Emerging Technologies in Fusion Software
• Education and Tutorials
• Others: let us know if you think something's missing

Join us online for OSSFE 2025 and be part of the open-source revolution in fusion energy.

Committee

• Remi Delaporte-Mathurin (MIT)
• Jon Shimwell (Proxima Fusion)
• Julianna Mullen (MIT)
• Ethan Peterson (MIT)
• James Dark (CEA)
• Julien Hillairet (CEA)
• Patrick Shriwise (ANL)
• Samuele Meschini (MIT)
• Nick Murphy (Harvard University)