Open source focus
Open Source Alternatives to Green Flexibility
46 open source Energy options similar to Green Flexibility, 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
energyXL53Clean EnergyAustin, United States$154.5MOpen source
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MOpen source
SmartGreen37IndustrialTel Aviv, Israel$3.0MOpen source
Ourea Energy .25Energy StorageLondon, United KingdomOpen source
Ayrton EnergyClean EnergyCalgary, CanadaOpen source
EnergyX54Energy & Climate TechAustin, United StatesOpen source
H2Pro53WaterTel Aviv, IsraelOpen source
D.A.A. Tech85Environmental ConsultingWindsor, United StatesOpen source
Octopus Energy76EnergyLondon, United Kingdom$800.0MOpen source
Crusoe Energy67Energy & Climate TechDenver, United States$610.0MOpen source
CaPow55RoboticsTel Aviv, Israel$7.5MOpen source
Vivint Solar52Solar EnergyLehi, United StatesOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
MN8 Energy50Renewable EnergyNew York, USA$87.5MOpen source
Collos48Climate TechBoston, United States$1.1MOpen source
Voltfang40EV ChargingBerlin, Germany$15.0MOpen source
Intellivolt35EV ChargingLondon, United KingdomOpen source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
- GreencognitionClimate Tech
Open source
GridvanceEnergy & Climate TechOpen source
GridhelixAI-Driven Grid BalancingLondon, United KingdomOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
Percepto67DronesTel Aviv, Israel$136.8MOpen source
ecobee63Smart HomeToronto, Canada$96.0MOpen source
Anaergia63Energy & Climate TechBurlington, CanadaOpen source
Tomorrow.io62WeatherBoston, United States$259.0MOpen source
C3 AI61Artificial IntelligenceRedwood City, United States$1.0BOpen source
EOS Data Analytics60AgTechKyiv, UkraineOpen source
- SESempra Energy60UtilitiesSan Diego, United States
Open source
Algaeing55TextileTel Aviv, Israel$12.0MOpen source
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MOpen source
EarthDaily Analytics54Earth ObservationVancouver, CanadaOpen source
Aura Aero54AerospaceToulouse, France$340.0MOpen source
Crusoe Cloud - AI Infrastructure and GPU Cloud Platform48AI InfrastructureDenver, United StatesOpen source
Re Sustainability47SustainabilityNew York, United States$1.5MOpen source
WeatherXM33Climate TechAthens, GreeceOpen source
agRE.tech28SolarTel Aviv, IsraelOpen source
General Electric28ConglomerateBoston, United StatesOpen source
- SISiemens27Industrial AutomationMunich, Germany
Open source
Marine Hound21Climate TechValletta, MaltaOpen source
Earth Observing System20Geospatial DataKyiv, UkraineOpen source
- TXTXU Energy10EnergyIrving, United States
Open source
everwave0Climate TechHamburg, GermanyOpen source
- D.A.A. TechEnvironmental ConsultingWindsor, United States
Open source
Carbon-Ledger stellarClimate TechOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| energyXL | Clean Energy | Open source | Austin, United States | $154.5M | 53 |
| Caudal Energy | Renewable Energy | Open source | Oxford, United Kingdom | $5.3M | 42 |
| SmartGreen | Industrial | Open source | Tel Aviv, Israel | $3.0M | 37 |
| Ourea Energy . | Energy Storage | Open source | London, United Kingdom | — | 25 |
| Ayrton Energy | Clean Energy | Open source | Calgary, Canada | — | — |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 54 |
| H2Pro | Water | Open source | Tel Aviv, Israel | — | 53 |
| D.A.A. Tech | Environmental Consulting | Open source | Windsor, United States | — | 85 |
| Octopus Energy | Energy | Open source | London, United Kingdom | $800.0M | 76 |
| Crusoe Energy | Energy & Climate Tech | Open source | Denver, United States | $610.0M | 67 |
| CaPow | Robotics | Open source | Tel Aviv, Israel | $7.5M | 55 |
| Vivint Solar | Solar Energy | Open source | Lehi, United States | — | 52 |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 |
| MN8 Energy | Renewable Energy | Open source | New York, USA | $87.5M | 50 |
| Collos | Climate Tech | Open source | Boston, United States | $1.1M | 48 |
| 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 |
| Climate Tech | Open source | — | — | — | |
| Gridvance | Energy & Climate Tech | Open source | — | — | — |
| Gridhelix | AI-Driven Grid Balancing | Open source | London, United Kingdom | — | — |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 |
| Percepto | Drones | Open source | Tel Aviv, Israel | $136.8M | 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 |
| C3 AI | Artificial Intelligence | Open source | Redwood City, United States | $1.0B | 61 |
| EOS Data Analytics | AgTech | Open source | Kyiv, Ukraine | — | 60 |
| SESempra Energy | Utilities | Open source | San Diego, United States | — | 60 |
| Algaeing | Textile | Open source | Tel Aviv, Israel | $12.0M | 55 |
| Nordic Salt Cycle | Climate Tech | Open source | Helsinki, Finland | $41.8M | 55 |
| EarthDaily Analytics | Earth Observation | Open source | Vancouver, Canada | — | 54 |
| Aura Aero | Aerospace | Open source | Toulouse, France | $340.0M | 54 |
| Crusoe Cloud - AI Infrastructure and GPU Cloud Platform | AI Infrastructure | Open source | Denver, United States | — | 48 |
| Re Sustainability | Sustainability | Open source | New York, United States | $1.5M | 47 |
| WeatherXM | Climate Tech | Open source | Athens, Greece | — | 33 |
| agRE.tech | Solar | Open source | Tel Aviv, Israel | — | 28 |
| General Electric | Conglomerate | Open source | Boston, United States | — | 28 |
| SISiemens | Industrial Automation | Open source | Munich, Germany | — | 27 |
| Marine Hound | Climate Tech | Open source | Valletta, Malta | — | 21 |
| Earth Observing System | Geospatial Data | Open source | Kyiv, Ukraine | — | 20 |
| TXTXU Energy | Energy | Open source | Irving, United States | — | 10 |
| everwave | Climate Tech | Open source | Hamburg, Germany | — | 0 |
| Environmental Consulting | Open source | Windsor, United States | — | — | |
| Carbon-Ledger stellar | Climate Tech | Open source | — | — | — |