Project Firefly

Open Source Small Nuclear — perpetual energy for all

Reactor Class
Small Molten Salt Fast Breeder (MSFBR)
Model
Open Source / Collaborative
License
MIT
Status
In Development
Upcoming Firefly Reading Circle — first session 20 June 2026, Bengaluru, India Details →
00

Abstract

An ambitious open-source initiative dedicated to the development of a Small Molten Salt Fast Breeder Reactor (MSFBR). This project aims to revolutionize the nuclear energy sector by leveraging open-source collaboration to create a safer, more efficient, and sustainable nuclear reactor. By combining cutting-edge molten salt technology with fast breeder capabilities, we're working to provide clean, abundant energy that can meet the world's growing power needs while minimizing environmental impact and maximizing fuel efficiency through breeding cycles.

01

Breaking Tradition

The nuclear industry has historically been shrouded in secrecy and proprietary practices, often driven by the sensitive nature of nuclear technology and national security concerns. Project Firefly challenges this paradigm by embracing transparency and open collaboration. We believe that by making our research, designs, and findings openly accessible, we can accelerate innovation, improve safety through collective scrutiny, and democratize access to clean nuclear energy technology. Our open-source approach invites global expertise to contribute, review, and improve our work, fostering a new era of collaborative nuclear development.

02

Project Goals

  1. Innovative DesignDevelop a state-of-the-art fast breeder reactor using molten salt technology, emphasizing safety and efficiency.
  2. SustainabilityUtilize thorium and other fertile materials to breed fissile fuel, ensuring long-term sustainability and reduced nuclear waste.
  3. Open CollaborationCreate a collaborative platform where researchers, engineers, and enthusiasts can contribute to the reactor's design and development.
  4. TransparencyMaintain an open and transparent development process, making all design, testing, and implementation details accessible to the public.
03

Features

  1. High EfficiencyAchieve high thermal efficiency with molten salt as both fuel and coolant.
  2. Enhanced SafetyIncorporate passive safety features to minimize the risk of accidents.
  3. Breeding CapabilityEfficiently convert fertile materials into fissile fuel, extending the fuel supply.
  4. ModularityDesign a modular system that can be scaled and adapted to various energy needs.
04

Open Resources coming soon

Project Firefly is committed to open-source principles. The following resources are in preparation and will be published openly as they are finalized:

  • R.01Technical Documentationcoming soon
  • R.02Design Specificationscoming soon
  • R.03Research Paperscoming soon
  • R.04Simulation Toolscoming soon
05

Partnerships

We collaborate with various organizations to advance our mission:

  • P.01Academic Institutions
  • P.02Research Laboratories
  • P.03Energy Companies
  • P.04Environmental Organizations

Contact us

06

Support Project Firefly

Your support can help accelerate the development of clean, sustainable nuclear energy:

Make a Donation Sponsor a Project Contribute Computing

07

Volunteer Opportunities

Join our global team of volunteers and contribute your skills:

  • V.01Engineering and Design
  • V.02Software Development
  • V.03Scientific Research
  • V.04Community Outreach
  • V.05Content Creation

Sign up as a volunteer

08

License coming soon

This project will be licensed under the MIT License. The full LICENSE file is being prepared and will be added to the repository shortly.

09

Code of Conduct coming soon

We are committed to fostering a welcoming and inclusive environment. A formal CODE_OF_CONDUCT.md outlining the expectations for participation is being drafted and will be published soon.

10

Community and Support

Join our community to stay updated and participate in discussions:

Join the WhatsApp group Visit the Reading Circle