Open source focus
Open Source Alternatives to Companion.energy
60 open source Energy options similar to Companion.energy, 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.
SmartGreen37IndustrialTel Aviv, Israel$3.0MOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Voltfang40EV ChargingBerlin, Germany$15.0MOpen source
Intellivolt35EV ChargingLondon, United KingdomOpen source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
Octopus Energy76EnergyLondon, United Kingdom$800.0MOpen source
C3 AI61Artificial IntelligenceRedwood City, United States$1.0BOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
Re Sustainability47SustainabilityNew York, United States$1.5MOpen source
GridhelixAI-Driven Grid BalancingLondon, United KingdomOpen source
- GreencognitionClimate Tech
Open source
GridvanceEnergy & Climate TechOpen source
D.A.A. Tech85Environmental ConsultingWindsor, United StatesOpen source
Ubuntu85Operating SystemsLondon, United Kingdom$63.0MOpen source · Self-hostable
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
WekaIO70ComputingCampbell, United States$565.0MOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Crusoe Energy67Energy & Climate TechDenver, United States$610.0MOpen source
Starburst67AIBoston, United States$414.0MOpen source · Self-hostable
Percepto67DronesTel Aviv, Israel$136.8MOpen source
Solo.io66Artificial IntelligenceCambridge, USA$174.8MOpen source · Self-hostable
- RIRiffle Resilience62Artificial IntelligenceDallas, USA$63.0M
Open source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Tomorrow.io62WeatherBoston, United States$259.0MOpen source
Workiva62Enterprise SoftwareAmes, United StatesOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
EOS Data Analytics60AgTechKyiv, UkraineOpen source
Dataiku60Artificial IntelligenceNew York, United States$200.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
SkyfireAI59AerospaceAustin, USA$19.5MOpen source
- CDCData Software58Artificial IntelligenceChapel Hill, United States$510.0M
Open source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
General Analysis55Artificial IntelligenceSan Francisco, USA$10.0MOpen source
Algaeing55TextileTel Aviv, Israel$12.0MOpen source
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MOpen source
OpsMill55Artificial IntelligencePalo Alto, USA$26.0MOpen source
Archestra.AI55Artificial IntelligenceLondon, United Kingdom$10.0MOpen source · Self-hostable
EnergyX54Energy & Climate TechAustin, United StatesOpen source
- HOHOOTL54Artificial IntelligenceCharlottesville, USA$6.5M
Open source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Superwise.ai54DataTel Aviv, Israel$4.5MOpen source
WSO254Artificial IntelligencePalo Alto, USA$63.0MOpen source · Self-hostable
D-Wave51Quantum ComputingBurnaby, CanadaOpen source
SOMAREALITY50Artificial IntelligenceVienna, Austria$3.0MOpen source
MN8 Energy50Renewable EnergyNew York, USA$87.5MOpen source
Visual Layer50DatabaseTel Aviv, Israel$7.0MOpen source · Self-hostable
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
Collos48Climate TechBoston, United States$1.1MOpen source
Featherless.ai48Artificial IntelligenceSan Francisco, USA$20.0MOpen source · Self-hostable
Orderful48Supply Chain ManagementSan Francisco, USA$35.0MOpen source
Civo48Cloud ComputingLondon, United Kingdom$2.0MOpen source
SageOx47Artificial IntelligenceSeattle, USA$15.0MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| SmartGreen | Industrial | Open source | Tel Aviv, Israel | $3.0M | 37 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| 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 |
| Octopus Energy | Energy | Open source | London, United Kingdom | $800.0M | 76 |
| C3 AI | Artificial Intelligence | Open source | Redwood City, United States | $1.0B | 61 |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 |
| Re Sustainability | Sustainability | Open source | New York, United States | $1.5M | 47 |
| Gridhelix | AI-Driven Grid Balancing | Open source | London, United Kingdom | — | — |
| Climate Tech | Open source | — | — | — | |
| Gridvance | Energy & Climate Tech | Open source | — | — | — |
| D.A.A. Tech | Environmental Consulting | Open source | Windsor, United States | — | 85 |
| Ubuntu | Operating Systems | Open source · Self-hostable | London, United Kingdom | $63.0M | 85 |
| New Relic | Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| WekaIO | Computing | Open source | Campbell, United States | $565.0M | 70 |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 |
| Crusoe Energy | Energy & Climate Tech | Open source | Denver, United States | $610.0M | 67 |
| Starburst | AI | Open source · Self-hostable | Boston, United States | $414.0M | 67 |
| Percepto | Drones | Open source | Tel Aviv, Israel | $136.8M | 67 |
| Solo.io | Artificial Intelligence | Open source · Self-hostable | Cambridge, USA | $174.8M | 66 |
| RIRiffle Resilience | Artificial Intelligence | Open source | Dallas, USA | $63.0M | 62 |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 |
| Tomorrow.io | Weather | Open source | Boston, United States | $259.0M | 62 |
| Workiva | Enterprise Software | Open source | Ames, United States | — | 62 |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 |
| EOS Data Analytics | AgTech | Open source | Kyiv, Ukraine | — | 60 |
| Dataiku | Artificial Intelligence | Open source | New York, United States | $200.0M | 60 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| SkyfireAI | Aerospace | Open source | Austin, USA | $19.5M | 59 |
| CDCData Software | Artificial Intelligence | Open source | Chapel Hill, United States | $510.0M | 58 |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 |
| General Analysis | Artificial Intelligence | Open source | San Francisco, USA | $10.0M | 55 |
| Algaeing | Textile | Open source | Tel Aviv, Israel | $12.0M | 55 |
| Nordic Salt Cycle | Climate Tech | Open source | Helsinki, Finland | $41.8M | 55 |
| OpsMill | Artificial Intelligence | Open source | Palo Alto, USA | $26.0M | 55 |
| Archestra.AI | Artificial Intelligence | Open source · Self-hostable | London, United Kingdom | $10.0M | 55 |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 54 |
| HOHOOTL | Artificial Intelligence | Open source | Charlottesville, USA | $6.5M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Superwise.ai | Data | Open source | Tel Aviv, Israel | $4.5M | 54 |
| WSO2 | Artificial Intelligence | Open source · Self-hostable | Palo Alto, USA | $63.0M | 54 |
| D-Wave | Quantum Computing | Open source | Burnaby, Canada | — | 51 |
| SOMAREALITY | Artificial Intelligence | Open source | Vienna, Austria | $3.0M | 50 |
| MN8 Energy | Renewable Energy | Open source | New York, USA | $87.5M | 50 |
| Visual Layer | Database | Open source · Self-hostable | Tel Aviv, Israel | $7.0M | 50 |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 |
| Collos | Climate Tech | Open source | Boston, United States | $1.1M | 48 |
| Featherless.ai | Artificial Intelligence | Open source · Self-hostable | San Francisco, USA | $20.0M | 48 |
| Orderful | Supply Chain Management | Open source | San Francisco, USA | $35.0M | 48 |
| Civo | Cloud Computing | Open source | London, United Kingdom | $2.0M | 48 |
| SageOx | Artificial Intelligence | Open source | Seattle, USA | $15.0M | 47 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |