Open Source Alternatives to Fuse Energy
60 open source Energy options similar to Fuse 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.
Octopus Energy62EnergyLondon, United Kingdom$1.5BGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.
Open source
Aemetis15Climate TechCupertino, United StatesAemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.
Open source · Self-hostable
SmartGreen37IndustrialTel Aviv, Israel$3.0MSmartGreen provides advanced solutions to optimize energy and operational performance for commercial and industrial buildings using AI and big data.
Open source
Voltfang41EV ChargingBerlin, Germany$15.0MSenken Sie Ihre Betriebskosten sofort: Startklare Energielösungen mit Batteriespeichern & Trading. Von Planung bis Netzanschluss alles aus einer Hand. Jetzt Erträge maximieren!"
Open source
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MDeveloping predictable renewable power systems from tidal flow.
Open source
Intellivolt35EV ChargingLondon, United KingdomIntellivolt provides intelligent EV charging solutions for businesses and fleets.
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Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MSuena Energy develops AI-powered solutions for optimizing energy consumption in buildings.
Open source
D.A.A. Tech26Environmental ConsultingWindsor, United StatesA global consulting, engineering, and construction management firm providing environmentally focused and digitally powered solutions.
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Greencognition6Climate TechGreencognition explores green technology solutions, integrating AI for sustainable innovations.
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Gridvance6Energy & Climate TechInnovative sustainable energy solutions empowering your energy needs.
Open source
Crusoe Energy64Energy & Climate TechDenver, United States$610.0MOpen source
Vivint Solar52Solar EnergyLehi, United StatesResidential solar energy provider offering design, installation, and financing of solar systems.
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H2Pro49WaterTel Aviv, IsraelRevolutionary electrolyzer technology for affordable green hydrogen production at scale.
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EnergyX41Energy & Climate TechAustin, United StatesEnergyX is developing advanced lithium extraction technology for sustainable battery production.
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Ourea Energy .27Energy StorageLondon, United KingdomRevolutionary gravity-powered energy storage solution for ultra-long durations and unmatched efficiency.
Open source
- D.A.A. Tech11Environmental ConsultingWindsor, United States
A global consulting, engineering, and construction management firm providing environmentally focused and digitally powered solutions.
Open source
Gridhelix9AI-Driven Grid BalancingGridhelix is an AI company focused on optimizing energy grids for efficiency and reliability.
Open source
Carbon-Ledger stellar8Climate TechVerifiable carbon credits on the Stellar blockchain with a transparent audit trail.
Open source
Ayrton EnergyClean EnergyCalgary, CanadaA cleantech startup developing liquid organic hydrogen carrier (LOHC) technology for clean energy storage and transport.
Open source
eToro74FintechLimassol, Cyprus$524.0MeToro is a social investing platform enabling users to trade stocks, crypto, and ETFs, and copy top-performing investors.
Open source
Anaergia63Energy & Climate TechBurlington, CanadaAnaergia is a global leader in anaerobic digestion and renewable natural gas solutions.
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EOS Data Analytics60AgTechKyiv, UkraineEOS Data Analytics provides AI-powered satellite imagery analytics for Earth observation.
Open source
Cardano55BlockchainA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MDeveloping a novel, sustainable process for extracting valuable minerals from industrial wastewater.
Open source
Unchained Tech52FintechAustin, United StatesSelf-custody Bitcoin security and financial services for institutions.
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energyXL51Clean EnergyAustin, United States$154.5MDeveloping disruptive technologies for lithium extraction and battery storage to accelerate the clean energy transition.
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Algaeing50TextileTel Aviv, Israel$12.0MDevelops eco-positive, scalable solutions for textile fiber and fabric dyeing.
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MN8 Energy49Renewable EnergyNew York, USA$87.5MA leading renewable energy company focused on developing and financing solar and battery storage projects.
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Collos48Climate TechBoston, United States$1.1MColossus is a climate-technology company focused on accelerating the clean-energy movement through solar software and a marketplace.
Open source
Re Sustainability47SustainabilityNew York, United States$1.5MA platform focused on enabling businesses to achieve and report on sustainability goals.
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Vor Systems44Renewable EnergySan Francisco, USA$3.0MUnblocking complex renewable energy transactions.
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SolCold36CleantechTel Aviv, IsraelDevelops a patented nano-material for passive solar cooling without electricity.
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WeatherXM33Climate TechAthens, GreeceDecentralized weather network powered by a global community of weather stations.
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Marine Hound21Climate TechValletta, MaltaMalta-based company developing an emissions monitoring system for the maritime industry.
Open source
everwave18Climate TechHamburg, Germanyeverwave is a German startup developing a platform for cleaning up plastic waste from rivers.
Open source
- Precisionfindev10FintechLondon, United Kingdom
Builds advanced financial data platforms and automated insights for trading, real estate, and wealth management.
Open source
OpenAI86Artificial IntelligenceSan Francisco, United States$190.6BOpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity.
Open source
Bloomberg L.P.82FintechNew York, United States$60.1BGlobal financial, software, data, and media company providing real-time information and analytics.
Open source
Shopify78E-commerce PlatformOttawa, Canada$122.3MShopify provides a leading e-commerce platform that enables businesses of all sizes to create online stores, manage products, process payments, and fulfill orders, simplifying digital sales globally.
Open source
Forter74FintechNew York, United States$550.0MForter provides an AI-powered trust platform for digital commerce, preventing fraud and abuse while maximizing revenue.
Open source
Rapyd74PaymentsLondon, United Kingdom$1.3BGlobal fintech-as-a-service platform enabling businesses to accept, send, and manage funds worldwide.
Open source
Razorpay73FintechBengaluru, IndiaA leading payment gateway and financial services platform for businesses in India.
Open source
StarkWare73BlockchainTel Aviv, Israel$180.0MDevelops blockchain scaling solutions using STARK technology for Ethereum-secure, fast, and seamless user experiences.
Open source
Coinbase73FintechSan Francisco, United States$1.1BA leading cryptocurrency exchange platform for buying, selling, storing, and managing digital assets securely.
Open source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BStripe, Inc. is an Irish-American multinational financial services and software as a service company dual-headquartered in South San Francisco, California, Unit
Open source
Crunchbase70DataSan Francisco, United StatesA platform providing data and insights on private and public companies, startups, and investors.
Open source
Plaid70FintechSan Francisco, United States$734.3MPlaid provides a data transfer network powering fintech and digital finance products.
Open source
Chargebee69FintechChennai, India$303.0MSubscription management and recurring billing platform for SaaS and e-commerce businesses.
Open source
Percepto69DronesTel Aviv, Israel$136.8MPercepto provides an autonomous inspection and monitoring platform for industrial sites using drones and robotics.
Open source
Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
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Mercury67FintechSan Francisco, United States$500.0MBusiness banking.
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Paddle67FintechLondon, United Kingdom$318.0MPaddle is a comprehensive payments, tax, and subscription solution for SaaS companies.
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Alchemy67BlockchainSan Francisco, United States$450.0MLeading blockchain developer platform providing infrastructure, APIs, and tools to build scalable Web3 applications.
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Orion Advisor Solutions67FintechOmaha, United States$223.0MTechnology platform for financial advisors to manage client relationships and operations.
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Phantom66FintechSan Francisco, United States$268.0MA multi-chain crypto wallet providing secure asset management, trading, and embedded developer SDKs.
Open source
Remitly66FintechSeattle, United StatesGlobal digital payments provider focused on remittances for immigrants and their families.
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Chainalysis64FintechNew York, United States$170.0MBlockchain data platform providing compliance, investigation, and risk management software for global institutions and governments.
Open source
Mysten Labs63Web3Menlo Park, United States$351.0MWeb3 infrastructure company building the Sui Layer 1 blockchain for high throughput and low-cost transactions.
Open source
Rewire63FintechTel Aviv, Israel$57.0MOnline cross-border financial services platform for international workers and migrants.
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ecobee63Smart HomeToronto, Canada$96.0MSmart thermostats and home devices for enhanced comfort, security, and energy savings.
Open source