Open source focus
Open Source Alternatives to Zephyr Fusion
52 open source Fusion Energy options similar to Zephyr Fusion, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
MORPHEUS SPACE53SpaceTechPotsdam, GermanyOpen source
Mynaric50SpaceTechMunich, Germany$100.0MOpen source
Ravee Optics, .29SpaceTech$6.0MOpen source
- LOLockheed Martin29AerospaceBethesda, United States
Open source
9 Mothers10Hard TechAustin, United StatesOpen source
AstronavisSpaceTechPalo Alto, United StatesOpen source
D.A.A. Tech85Environmental ConsultingWindsor, United StatesOpen source
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0MOpen source
Landa Digital Printing673D PrintingRehovot, Israel$435.0MOpen source
Crusoe Energy67Energy & Climate TechDenver, United States$610.0MOpen source
Anaergia63Energy & Climate TechBurlington, CanadaOpen source
Starfighters Space63AerospaceKennedy Space Center, USA$17.5MOpen source
JuliaHub62Artificial IntelligenceWaltham, USA$65.0MOpen source
SpinLaunch60SpaceTechLong Beach, United States$116.5MOpen source
Citrix Systems60Cloud ComputingFort Lauderdale, United StatesOpen source
SkyfireAI59AerospaceAustin, USA$19.5MOpen source
CaPow55RoboticsTel Aviv, Israel$7.5MOpen source
BreezoMeter54Weather$42.9MOpen source
Aura Aero54AerospaceToulouse, France$340.0MOpen source
Rainbow Robotics54RoboticsDaejeon, South Korea$213.3MOpen source
Falkbuilt Ltd.54Advanced ManufacturingCalgary, CanadaOpen source
EnergyX54Energy & Climate TechAustin, United StatesOpen source
- SPSpaceComputer54SpaceTechSingapore, Singapore$10.0M
Open source
H2Pro53WaterTel Aviv, IsraelOpen source
Halo Digital53AI Enablers$11.0MOpen source
Magentic51MFG + SUPPLY CHAINSan Francisco, United States$14.6MOpen source
Unitree Robotics50Humanoid RoboticsHangzhou, ChinaOpen source
OpenSpace50SpaceTechSan Francisco, United StatesOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
WaiV Robotics50RoboticsSouthampton, United Kingdom$7.5MOpen source
Taskade49SpaceTechNew York, United States$1.0MOpen source
Gaius.AI48ManufacturingTel Aviv, Israel$10.0MOpen source
Vanilla Aircraft47AerospaceFalls Church, United StatesOpen source
Airvolute45AerospaceTrnava, Slovakia$1.5MOpen source
Cyviation43CybersecurityTel Aviv, Israel$4.0MOpen source
Runtime Verification41Software VerificationChampaign, United StatesOpen source
Orange Sky Defense39Defense TechIsrael, Israel$1.0MOpen source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
PromptQL31Artificial IntelligenceSan Francisco, United StatesOpen source · Self-hostable
SpearUAV31DronesTel Aviv, IsraelOpen source
Kiinns30Food SafetyTel Aviv, IsraelOpen source
General Electric28ConglomerateBoston, United StatesOpen source
agRE.tech28SolarTel Aviv, IsraelOpen source
Motherson Group25Automotive ComponentsNoida, IndiaOpen source
Mamba (AI Architecture)23Artificial IntelligenceOpen source
Assembrix213D PrintingTel Aviv, IsraelOpen source
Radomatics20AutomotiveTel Aviv, IsraelOpen source
3dfy Labs143D ScanningToronto, CanadaOpen source
exantrix14EnterpriseSaint-Étienne, FranceOpen source
Intelsat10Satellite CommunicationsMcLean, United StatesOpen source
GridvanceEnergy & Climate TechOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| MORPHEUS SPACE | SpaceTech | Open source | Potsdam, Germany | — | 53 | |
| Mynaric | SpaceTech | Open source | Munich, Germany | $100.0M | 50 | |
| Ravee Optics, . | SpaceTech | Open source | — | $6.0M | 29 | |
| LOLockheed Martin | Aerospace | Open source | Bethesda, United States | — | 29 | |
| 9 Mothers | Hard Tech | Open source | Austin, United States | — | 10 | |
| Astronavis | SpaceTech | Open source | Palo Alto, United States | — | — | |
| D.A.A. Tech | Environmental Consulting | Open source | Windsor, United States | — | 85 | |
| Quantum Machines | Quantum Computing | Open source | Tel Aviv, Israel | $293.0M | 69 | |
| Landa Digital Printing | 3D Printing | Open source | Rehovot, Israel | $435.0M | 67 | |
| Crusoe Energy | Energy & Climate Tech | Open source | Denver, United States | $610.0M | 67 | |
| Anaergia | Energy & Climate Tech | Open source | Burlington, Canada | — | 63 | |
| Starfighters Space | Aerospace | Open source | Kennedy Space Center, USA | $17.5M | 63 | |
| JuliaHub | Artificial Intelligence | Open source | Waltham, USA | $65.0M | 62 | |
| SpinLaunch | SpaceTech | Open source | Long Beach, United States | $116.5M | 60 | |
| Citrix Systems | Cloud Computing | Open source | Fort Lauderdale, United States | — | 60 | |
| SkyfireAI | Aerospace | Open source | Austin, USA | $19.5M | 59 | |
| CaPow | Robotics | Open source | Tel Aviv, Israel | $7.5M | 55 | |
| BreezoMeter | Weather | Open source | — | $42.9M | 54 | |
| Aura Aero | Aerospace | Open source | Toulouse, France | $340.0M | 54 | |
| Rainbow Robotics | Robotics | Open source | Daejeon, South Korea | $213.3M | 54 | |
| Falkbuilt Ltd. | Advanced Manufacturing | Open source | Calgary, Canada | — | 54 | |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 54 | |
| SPSpaceComputer | SpaceTech | Open source | Singapore, Singapore | $10.0M | 54 | |
| H2Pro | Water | Open source | Tel Aviv, Israel | — | 53 | |
| Halo Digital | AI Enablers | Open source | — | $11.0M | 53 | |
| Magentic | MFG + SUPPLY CHAIN | Open source | San Francisco, United States | $14.6M | 51 | |
| Unitree Robotics | Humanoid Robotics | Open source | Hangzhou, China | — | 50 | |
| OpenSpace | SpaceTech | Open source | San Francisco, United States | — | 50 | |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 | |
| WaiV Robotics | Robotics | Open source | Southampton, United Kingdom | $7.5M | 50 | |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 49 | |
| Gaius.AI | Manufacturing | Open source | Tel Aviv, Israel | $10.0M | 48 | |
| Vanilla Aircraft | Aerospace | Open source | Falls Church, United States | — | 47 | |
| Airvolute | Aerospace | Open source | Trnava, Slovakia | $1.5M | 45 | |
| Cyviation | Cybersecurity | Open source | Tel Aviv, Israel | $4.0M | 43 | |
| Runtime Verification | Software Verification | Open source | Champaign, United States | — | 41 | |
| Orange Sky Defense | Defense Tech | Open source | Israel, Israel | $1.0M | 39 | |
| Suena Energy | Energy & Climate Tech | Open source | Tel Aviv, Israel | $10.1M | 35 | |
| PromptQL | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | — | 31 | |
| SpearUAV | Drones | Open source | Tel Aviv, Israel | — | 31 | |
| Kiinns | Food Safety | Open source | Tel Aviv, Israel | — | 30 | |
| General Electric | Conglomerate | Open source | Boston, United States | — | 28 | |
| agRE.tech | Solar | Open source | Tel Aviv, Israel | — | 28 | |
| Motherson Group | Automotive Components | Open source | Noida, India | — | 25 | |
| Mamba (AI Architecture) | Artificial Intelligence | Open source | — | — | 23 | |
| Assembrix | 3D Printing | Open source | Tel Aviv, Israel | — | 21 | |
| Radomatics | Automotive | Open source | Tel Aviv, Israel | — | 20 | |
| 3dfy Labs | 3D Scanning | Open source | Toronto, Canada | — | 14 | |
| exantrix | Enterprise | Open source | Saint-Étienne, France | — | 14 | |
| Intelsat | Satellite Communications | Open source | McLean, United States | — | 10 | |
| Gridvance | Energy & Climate Tech | Open source | — | — | — |