Open source focus
Open Source Alternatives to Commonwealth Fusion Systems
48 open source Clean Energy options similar to Commonwealth Fusion Systems, 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.
H2Pro53WaterTel Aviv, IsraelOpen source
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MOpen source
Ourea Energy .25Energy StorageLondon, United KingdomOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Ayrton EnergyClean EnergyCalgary, CanadaOpen source
Crusoe Energy67Energy & Climate TechDenver, United States$610.0MOpen source
EnergyX54Energy & Climate TechAustin, United StatesOpen source
energyXL53Clean EnergyAustin, United States$154.5MOpen source
Vivint Solar52Solar EnergyLehi, United StatesOpen source
Collos48Climate TechBoston, United States$1.1MOpen source
SmartGreen37IndustrialTel Aviv, Israel$3.0MOpen source
- GreencognitionClimate Tech
Open 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
ecobee63Smart HomeToronto, Canada$96.0MOpen source
Anaergia63Energy & Climate TechBurlington, CanadaOpen source
Tomorrow.io62WeatherBoston, United States$259.0MOpen source
JuliaHub62Artificial IntelligenceWaltham, USA$65.0MOpen source
EOS Data Analytics60AgTechKyiv, UkraineOpen source
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MOpen source
Algaeing55TextileTel Aviv, Israel$12.0MOpen source
CaPow55RoboticsTel Aviv, Israel$7.5MOpen source
Rainbow Robotics54RoboticsDaejeon, South Korea$213.3MOpen source
Aura Aero54AerospaceToulouse, France$340.0MOpen source
Falkbuilt Ltd.54Advanced ManufacturingCalgary, CanadaOpen source
EarthDaily Analytics54Earth ObservationVancouver, CanadaOpen source
Halo Digital53AI Enablers$11.0MOpen source
Magentic51MFG + SUPPLY CHAINSan Francisco, United States$14.6MOpen source
Unitree Robotics50Humanoid RoboticsHangzhou, ChinaOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
Crusoe Cloud - AI Infrastructure and GPU Cloud Platform48AI InfrastructureDenver, United StatesOpen source
Gaius.AI48ManufacturingTel Aviv, Israel$10.0MOpen source
Re Sustainability47SustainabilityNew York, United States$1.5MOpen source
Voltfang40EV ChargingBerlin, Germany$15.0MOpen source
Intellivolt35EV ChargingLondon, United KingdomOpen source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
WeatherXM33Climate TechAthens, GreeceOpen source
Kiinns30Food SafetyTel Aviv, IsraelOpen source
Marine Hound21Climate TechValletta, MaltaOpen source
Assembrix213D PrintingTel Aviv, IsraelOpen source
Earth Observing System20Geospatial DataKyiv, UkraineOpen source
exantrix14EnterpriseSaint-Étienne, FranceOpen source
everwave0Climate TechHamburg, GermanyOpen source
3dfy Labs3D ScanningToronto, CanadaOpen source
GridvanceEnergy & Climate TechOpen source
Carbon-Ledger stellarClimate TechOpen source
GridhelixAI-Driven Grid BalancingLondon, United KingdomOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| H2Pro | Water | Open source | Tel Aviv, Israel | — | 53 |
| Caudal Energy | Renewable Energy | Open source | Oxford, United Kingdom | $5.3M | 42 |
| Ourea Energy . | Energy Storage | Open source | London, United Kingdom | — | 25 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| Ayrton Energy | Clean Energy | Open source | Calgary, Canada | — | — |
| Crusoe Energy | Energy & Climate Tech | Open source | Denver, United States | $610.0M | 67 |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 54 |
| energyXL | Clean Energy | Open source | Austin, United States | $154.5M | 53 |
| Vivint Solar | Solar Energy | Open source | Lehi, United States | — | 52 |
| Collos | Climate Tech | Open source | Boston, United States | $1.1M | 48 |
| SmartGreen | Industrial | Open source | Tel Aviv, Israel | $3.0M | 37 |
| Climate Tech | Open source | — | — | — | |
| 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 |
| ecobee | Smart Home | Open source | Toronto, Canada | $96.0M | 63 |
| Anaergia | Energy & Climate Tech | Open source | Burlington, Canada | — | 63 |
| Tomorrow.io | Weather | Open source | Boston, United States | $259.0M | 62 |
| JuliaHub | Artificial Intelligence | Open source | Waltham, USA | $65.0M | 62 |
| EOS Data Analytics | AgTech | Open source | Kyiv, Ukraine | — | 60 |
| Nordic Salt Cycle | Climate Tech | Open source | Helsinki, Finland | $41.8M | 55 |
| Algaeing | Textile | Open source | Tel Aviv, Israel | $12.0M | 55 |
| CaPow | Robotics | Open source | Tel Aviv, Israel | $7.5M | 55 |
| Rainbow Robotics | Robotics | Open source | Daejeon, South Korea | $213.3M | 54 |
| Aura Aero | Aerospace | Open source | Toulouse, France | $340.0M | 54 |
| Falkbuilt Ltd. | Advanced Manufacturing | Open source | Calgary, Canada | — | 54 |
| EarthDaily Analytics | Earth Observation | Open source | Vancouver, Canada | — | 54 |
| 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 |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 |
| Crusoe Cloud - AI Infrastructure and GPU Cloud Platform | AI Infrastructure | Open source | Denver, United States | — | 48 |
| Gaius.AI | Manufacturing | Open source | Tel Aviv, Israel | $10.0M | 48 |
| Re Sustainability | Sustainability | Open source | New York, United States | $1.5M | 47 |
| Voltfang | EV Charging | Open source | Berlin, Germany | $15.0M | 40 |
| Intellivolt | EV Charging | Open source | London, United Kingdom | — | 35 |
| Suena Energy | Energy & Climate Tech | Open source | Tel Aviv, Israel | $10.1M | 35 |
| WeatherXM | Climate Tech | Open source | Athens, Greece | — | 33 |
| Kiinns | Food Safety | Open source | Tel Aviv, Israel | — | 30 |
| Marine Hound | Climate Tech | Open source | Valletta, Malta | — | 21 |
| Assembrix | 3D Printing | Open source | Tel Aviv, Israel | — | 21 |
| Earth Observing System | Geospatial Data | Open source | Kyiv, Ukraine | — | 20 |
| exantrix | Enterprise | Open source | Saint-Étienne, France | — | 14 |
| everwave | Climate Tech | Open source | Hamburg, Germany | — | 0 |
| 3dfy Labs | 3D Scanning | Open source | Toronto, Canada | — | — |
| Gridvance | Energy & Climate Tech | Open source | — | — | — |
| Carbon-Ledger stellar | Climate Tech | Open source | — | — | — |
| Gridhelix | AI-Driven Grid Balancing | Open source | London, United Kingdom | — | — |