Open source focus
Open Source Alternatives to HASI (Hannon Armstrong Sustainable Infrastructure Capital, Inc.)
60 open source Renewable Energy options similar to HASI (Hannon Armstrong Sustainable Infrastructure Capital, Inc.), 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.
View all alternatives to HASI (Hannon Armstrong Sustainable Infrastructure Capital, Inc.) →
SmartGreen37IndustrialTel Aviv, Israel$3.0MOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
- D.A.A. TechEnvironmental ConsultingWindsor, United States
Open source
Carbon-Ledger stellarClimate TechOpen source
Alchemy76BlockchainSan Francisco, United States$450.0MOpen source
- UPUpvest69FintechBerlin, Germany$392.0M
Open source
Mysten Labs64Web3Menlo Park, United States$351.0MOpen source
Optimism63BlockchainNew York City, United States$178.5MOpen source
Sei62BlockchainSan Francisco, United States$35.0MOpen source
Monad Labs62BlockchainNew York, United States$266.0MOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
EOS Data Analytics60AgTechKyiv, UkraineOpen source
Algaeing55TextileTel Aviv, Israel$12.0MOpen source
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MOpen source
Li.Fi55FintechBerlin, Germany$52.0MOpen source
Cardano55BlockchainOpen source · Self-hostable
- RARated Labs54Web3London, United Kingdom$2.5M
Open source
Connext54Fintech$12.0MOpen source
Kima50BlockchainTel Aviv, Israel$6.7MOpen source
Nevermined50Agentic AISan Francisco, United StatesOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
ATXP49AISan Francisco, United States$19.2MOpen source
- SUSuperfluid Foundation49FintechZug, Switzerland$28.2M
Open source · Self-hostable
Core Scientific Finance I47Data CenterAustin, USA$3.3BOpen source
Re Sustainability47SustainabilityNew York, United States$1.5MOpen source
- VOVor Systems44Renewable EnergySan Francisco, USA$3.0M
Open source
Lava Network43BlockchainWilmington, United States$27.0MOpen source
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MOpen source
Crusoe42AI InfrastructureDenver, United StatesOpen source
Minima42BlockchainLondon, United KingdomOpen source
Voltfang41EV ChargingBerlin, Germany$15.0MOpen source
EnergyX41Energy & Climate TechAustin, United StatesOpen source
Hermes Protocol41Web3Open source
Elektrik41E-commerceSalt Lake City, USAOpen source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
Intellivolt35EV ChargingLondon, United KingdomOpen source
WeatherXM33Climate TechAthens, GreeceOpen source
Marine Hound21Climate TechValletta, MaltaOpen source
everwave18Climate TechHamburg, GermanyOpen source
- GIGizmolab12Web3Toronto, Canada
Open source
Forgemesh11API PlatformOpen source
Blockrun.ai10AISan Francisco, United StatesOpen source
Treza Labs10Privacy InfrastructureSan Francisco, United StatesOpen source
- AXAXTP10AIUnited States
Open source
Stripe Issuing4FintechSan Francisco, United StatesOpen source
Everstake Validation ServicesFintechKyiv, UkraineOpen source
GreencognitionClimate TechOpen source
VAST Data85StorageNew York, United States$881.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
eToro85FintechLimassol, Cyprus$524.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Polygon81BlockchainMumbai, India$400.0MOpen source
Octopus Energy76EnergyLondon, United Kingdom$800.0MOpen source
Plaid74FintechSan Francisco, United States$734.3MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Razorpay73FintechBengaluru, IndiaOpen source
- BABackblaze73SaaSSan Mateo, United States$13.0M
Open source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
Coinbase73FintechSan Francisco, United States$1.1BOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| SmartGreen | Industrial | Open source | Tel Aviv, Israel | $3.0M | 37 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| Environmental Consulting | Open source | Windsor, United States | — | — | ||
| Carbon-Ledger stellar | Climate Tech | Open source | — | — | — | |
| Alchemy | Blockchain | Open source | San Francisco, United States | $450.0M | 76 | |
| UPUpvest | Fintech | Open source | Berlin, Germany | $392.0M | 69 | |
| Mysten Labs | Web3 | Open source | Menlo Park, United States | $351.0M | 64 | |
| Optimism | Blockchain | Open source | New York City, United States | $178.5M | 63 | |
| Sei | Blockchain | Open source | San Francisco, United States | $35.0M | 62 | |
| Monad Labs | Blockchain | Open source | New York, United States | $266.0M | 62 | |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 | |
| EOS Data Analytics | AgTech | Open source | Kyiv, Ukraine | — | 60 | |
| Algaeing | Textile | Open source | Tel Aviv, Israel | $12.0M | 55 | |
| Nordic Salt Cycle | Climate Tech | Open source | Helsinki, Finland | $41.8M | 55 | |
| Li.Fi | Fintech | Open source | Berlin, Germany | $52.0M | 55 | |
| Cardano | Blockchain | Open source · Self-hostable | — | — | 55 | |
| RARated Labs | Web3 | Open source | London, United Kingdom | $2.5M | 54 | |
| Connext | Fintech | Open source | — | $12.0M | 54 | |
| Kima | Blockchain | Open source | Tel Aviv, Israel | $6.7M | 50 | |
| Nevermined | Agentic AI | Open source | San Francisco, United States | — | 50 | |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 | |
| ATXP | AI | Open source | San Francisco, United States | $19.2M | 49 | |
| SUSuperfluid Foundation | Fintech | Open source · Self-hostable | Zug, Switzerland | $28.2M | 49 | |
| Core Scientific Finance I | Data Center | Open source | Austin, USA | $3.3B | 47 | |
| Re Sustainability | Sustainability | Open source | New York, United States | $1.5M | 47 | |
| VOVor Systems | Renewable Energy | Open source | San Francisco, USA | $3.0M | 44 | |
| Lava Network | Blockchain | Open source | Wilmington, United States | $27.0M | 43 | |
| Caudal Energy | Renewable Energy | Open source | Oxford, United Kingdom | $5.3M | 42 | |
| Crusoe | AI Infrastructure | Open source | Denver, United States | — | 42 | |
| Minima | Blockchain | Open source | London, United Kingdom | — | 42 | |
| Voltfang | EV Charging | Open source | Berlin, Germany | $15.0M | 41 | |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 41 | |
| Hermes Protocol | Web3 | Open source | — | — | 41 | |
| Elektrik | E-commerce | Open source | Salt Lake City, USA | — | 41 | |
| Suena Energy | Energy & Climate Tech | Open source | Tel Aviv, Israel | $10.1M | 35 | |
| Intellivolt | EV Charging | Open source | London, United Kingdom | — | 35 | |
| WeatherXM | Climate Tech | Open source | Athens, Greece | — | 33 | |
| Marine Hound | Climate Tech | Open source | Valletta, Malta | — | 21 | |
| everwave | Climate Tech | Open source | Hamburg, Germany | — | 18 | |
| GIGizmolab | Web3 | Open source | Toronto, Canada | — | 12 | |
| Forgemesh | API Platform | Open source | — | — | 11 | |
| Blockrun.ai | AI | Open source | San Francisco, United States | — | 10 | |
| Treza Labs | Privacy Infrastructure | Open source | San Francisco, United States | — | 10 | |
| AXAXTP | AI | Open source | United States | — | 10 | |
| Stripe Issuing | Fintech | Open source | San Francisco, United States | — | 4 | |
| Everstake Validation Services | Fintech | Open source | Kyiv, Ukraine | — | — | |
| Greencognition | Climate Tech | Open source | — | — | — | |
| VAST Data | Storage | Open source | New York, United States | $881.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| Polygon | Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| Octopus Energy | Energy | Open source | London, United Kingdom | $800.0M | 76 | |
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 | |
| BABackblaze | SaaS | Open source | San Mateo, United States | $13.0M | 73 | |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 | |
| Coinbase | Fintech | Open source | San Francisco, United States | $1.1B | 73 |