Open Source Alternatives to ENGIE
60 open source Energy & Climate Tech options similar to ENGIE, 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 StatesAemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.
Open source · Self-hostable
Vivint Solar52Solar EnergyLehi, United StatesResidential solar energy provider offering design, installation, and financing of solar systems.
Open source
D.A.A. Tech26Environmental ConsultingWindsor, United StatesA global consulting, engineering, and construction management firm providing environmentally focused and digitally powered solutions.
Open source
Gridvance6Energy & Climate TechInnovative sustainable energy solutions empowering your energy needs.
Open source
Anaergia63Energy & Climate TechBurlington, CanadaAnaergia is a global leader in anaerobic digestion and renewable natural gas solutions.
Open source
EnergyX41Energy & Climate TechAustin, United StatesEnergyX is developing advanced lithium extraction technology for sustainable battery production.
Open source
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
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MSuena Energy develops AI-powered solutions for optimizing energy consumption in buildings.
Open source
Crusoe Energy63Energy & Climate TechDenver, United States$610.0MOpen source
CaPow55RoboticsTel Aviv, Israel$7.5MPioneering continuous power delivery for autonomous solutions, enabling perpetual power sourcing.
Open source
energyXL53Clean EnergyAustin, United States$154.5MDeveloping disruptive technologies for lithium extraction and battery storage to accelerate the clean energy transition.
Open source
H2Pro53WaterTel Aviv, IsraelRevolutionary electrolyzer technology for affordable green hydrogen production at scale.
Open source
SolCold50CleantechTel Aviv, IsraelDevelops a patented nano-material for passive solar cooling without electricity.
Open source
WaiV Robotics50RoboticsSouthampton, United Kingdom$7.5MAutonomous maritime infrastructure for reliable VTOL drone operations at sea.
Open source
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
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MDeveloping predictable renewable power systems from tidal flow.
Open source
Voltfang41EV ChargingBerlin, Germany$15.0MAI-powered platform for optimizing electric vehicle charging infrastructure and operations.
Open source
Intellivolt35EV ChargingLondon, United KingdomIntellivolt provides intelligent EV charging solutions for businesses and fleets.
Open source
agRE.tech28SolarTel Aviv, IsraelPioneering autonomous agrivoltaic farms with a patent-pending robotic operating system.
Open source
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
Greencognition6Climate TechGreencognition explores green technology solutions, integrating AI for sustainable innovations.
Open source
Ayrton EnergyClean EnergyCalgary, CanadaA cleantech startup developing liquid organic hydrogen carrier (LOHC) technology for clean energy storage and transport.
Open source
VAST Data85StorageNew York, United States$881.0MA universal data platform for AI and analytics, offering high-performance flash storage and a data lakehouse architecture.
Open source
Polygon81BlockchainMumbai, India$400.0MA framework and platform for building and connecting blockchain networks, focusing on scalability and usability for Ethereum.
Open source
Octopus Energy76EnergyLondon, United Kingdom$800.0MGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.
Open source
Alchemy76BlockchainSan Francisco, United States$450.0MLeading blockchain developer platform providing infrastructure, APIs, and tools to build scalable Web3 applications.
Open source
- BABackblaze73SaaSSan Mateo, United States$13.0M
Provides affordable, S3-compatible cloud object storage and automated computer backup services for businesses and individuals.
Open source
SUSE70Cloud ComputingLuxembourg City, Luxembourg$4.9BOpen, agile, and enterprise-grade Linux and cloud infrastructure solutions.
Open source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MUnified API platform providing developers access to hundreds of large language models through one endpoint.
Open source
QuickNode69BlockchainMiami, United States$95.0MBlockchain infrastructure provider offering high-performance RPC nodes and developer tools for Web3 applications.
Open source
- UPUpvest69FintechBerlin, Germany$392.0M
A B2B SaaS investment infrastructure platform enabling firms to offer digital investment services.
Open source
Percepto67DronesTel Aviv, Israel$136.8MPercepto provides an autonomous inspection and monitoring platform for industrial sites using drones and robotics.
Open source
Cockroach Labs66EnterpriseNew York, United States$308.1MCloud-native distributed SQL database for mission-critical applications requiring high availability and scalability.
Open source
Mysten Labs64Web3Menlo Park, United States$351.0MWeb3 infrastructure company building the Sui Layer 1 blockchain for high throughput and low-cost transactions.
Open source
Optimism63BlockchainNew York City, United States$178.5MEthereum Layer 2 scaling solution using optimistic rollups to enable fast, low-cost transactions.
Open source
Monad Labs62BlockchainNew York, United States$266.0MBuilding a high-performance, scalable blockchain with a novel execution environment.
Open source
Workiva62Enterprise SoftwareAmes, United StatesAI-powered platform unifying data and processes for finance, accounting, sustainability, risk, and audit teams.
Open source
Odigos62Enterprise$13.0MOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
Open source · Self-hostable
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MDemocratizing access to frontier AI infrastructure.
Open source
Sei62BlockchainSan Francisco, United States$35.0MHigh-performance blockchain for decentralized exchanges.
Open source
Solana61BlockchainSan Francisco, United States$195.5MHigh-performance blockchain powering decentralized applications and crypto projects.
Open source
- SESempra Energy60UtilitiesSan Diego, United States
North American energy infrastructure company focused on electric and natural gas utilities.
Open source
EOS Data Analytics60AgTechKyiv, UkraineEOS Data Analytics provides AI-powered satellite imagery analytics for Earth observation.
Open source
- WOWormhole59BlockchainGeorge Town, Cayman Islands$225.0M
Leading interoperability platform enabling secure cross-chain messaging and asset transfers across multiple blockchain networks.
Open source
0G Labs58AISan Francisco, United States$75.0MBuilding the world's first decentralized AI operating system for scalable, verifiable, and open AI.
Open source
Smartex.ai58Textile ManufacturingPorto, Portugal$24.7MAI-driven software and hardware solutions for real-time textile defect detection and quality control.
Open source
ChainSafe Systems57Web3Toronto, Canada$18.8MLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable
Usekernel56Developer ToolsSan Francisco, United States$22.0MA platform simplifying browser automation with a focus on developer experience.
Open source
CloudQuery56EnterpriseSan Francisco, United States$18.5MOpen-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
Scala Biodesign56Life SciencesTel Aviv, Israel$21.5MDesigns proteins with superior properties using computational analysis, evolutionary insights, and AI.
Open source
Bluebricks55EnterpriseSan Francisco, United States$4.5MEnterprise infrastructure platform for instant, policy-compliant cloud deployments.
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
Axelar55BlockchainToronto, Canada$93.8MDecentralized interoperability platform providing secure cross-chain communication and asset transfers for Web3 applications.
Open source
Oxide Computer55EnterpriseSan Francisco, United States$200.0MPrivate cloud infrastructure startup offering integrated rack systems for enterprise data centers.
Open source
FalkorDB55EnterpriseTel Aviv, Israel$3.0MQueryable property graph database using sparse matrices and linear algebra for graph queries.
Open source
Li.Fi55FintechBerlin, Germany$52.0MCross-chain aggregation protocol for bridging and swapping assets across blockchains.
Open source
Algaeing55TextileTel Aviv, Israel$12.0MDevelops eco-positive, scalable solutions for textile fiber and fabric dyeing.
Open source
- RARated Labs54Web3London, United Kingdom$2.5M
Web3 infrastructure data provider focused on validator and node operator ratings.
Open source