Open Source Alternatives to NT-Tao
60 open source Energy options similar to NT-Tao, 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.
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MDeveloping predictable renewable power systems from tidal flow.
Open source
H2Pro53WaterTel Aviv, IsraelRevolutionary electrolyzer technology for affordable green hydrogen production at scale.
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.
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Ayrton EnergyClean EnergyCalgary, CanadaA cleantech startup developing liquid organic hydrogen carrier (LOHC) technology for clean energy storage and transport.
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Octopus Energy76EnergyLondon, United Kingdom$800.0MGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.
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Crusoe Energy63Energy & Climate TechDenver, United States$610.0MOpen source
Tomorrow.io62WeatherBoston, United States$259.0MThe world's leading Weather and Climate Security Platform, providing actionable weather intelligence.
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Aura Aero54AerospaceToulouse, France$340.0MA French aerospace startup developing sustainable aircraft.
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energyXL53Clean EnergyAustin, United States$154.5MDeveloping disruptive technologies for lithium extraction and battery storage to accelerate the clean energy transition.
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Halo Digital53AI Enablers$11.0MDigital infrastructure for manufacturing to boost efficiency and reduce costs.
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MN8 Energy50Renewable EnergyNew York, USA$87.5MA leading renewable energy company focused on developing and financing solar and battery storage projects.
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SolCold50CleantechTel Aviv, IsraelDevelops a patented nano-material for passive solar cooling without electricity.
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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.
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EnergyX41Energy & Climate TechAustin, United StatesEnergyX is developing advanced lithium extraction technology for sustainable battery production.
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Voltfang41EV ChargingBerlin, Germany$15.0MAI-powered platform for optimizing electric vehicle charging infrastructure and operations.
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WeatherXM33Climate TechAthens, GreeceDecentralized weather network powered by a global community of weather stations.
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Ourea Energy .27Energy StorageLondon, United KingdomRevolutionary gravity-powered energy storage solution for ultra-long durations and unmatched efficiency.
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Aemetis15Climate TechCupertino, United StatesAemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.
Open source · Self-hostable
Gridhelix9AI-Driven Grid BalancingGridhelix is an AI company focused on optimizing energy grids for efficiency and reliability.
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Google74InternetMountain View, United States$9.1BGlobal technology leader in search, advertising, cloud, AI, and consumer electronics.
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Exotec70RoboticsLyon, FranceDevelops advanced robotics solutions for logistics and industrial applications.
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Crunchbase70DataSan Francisco, United StatesA platform providing data and insights on private and public companies, startups, and investors.
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Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0MBuilds the Quantum Orchestration Platform (QOP) to accelerate quantum computing development and deployment.
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Percepto67DronesTel Aviv, Israel$136.8MPercepto provides an autonomous inspection and monitoring platform for industrial sites using drones and robotics.
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Landa Digital Printing673D PrintingRehovot, Israel$435.0MDevelops Nanography, a digital printing technology bridging offset and digital for commercial, packaging, and publishing markets.
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Anaergia63Energy & Climate TechBurlington, CanadaAnaergia is a global leader in anaerobic digestion and renewable natural gas solutions.
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ecobee63Smart HomeToronto, Canada$96.0MSmart thermostats and home devices for enhanced comfort, security, and energy savings.
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Yubico63CybersecurityStockholm, SwedenThe leading provider of hardware security keys.
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Candid Intelligence63Construction TechSan Francisco, United States$207.0MAI agent system automating pre-construction engineering workflows for energy and industrial infrastructure projects.
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Ampere62SemiconductorsSanta Clara, USA$63.0MDesigns and manufactures high-performance, power-efficient cloud computing processors.
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JuliaHub62Artificial IntelligenceWaltham, USA$65.0MAn agentic industrial engineering startup automating complex manufacturing processes with AI.
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Normal Computing62Artificial IntelligenceNew York, United States$50.0MDeveloping AI-native chip design software and physics-based thermodynamic processors to address AI hardware energy demands.
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C3 AI61Artificial IntelligenceRedwood City, United States$1.0BProvider of enterprise artificial intelligence software and applications.
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Sempra Energy60UtilitiesSan Diego, United StatesNorth American energy infrastructure company focused on electric and natural gas utilities.
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EOS Data Analytics60AgTechKyiv, UkraineEOS Data Analytics provides AI-powered satellite imagery analytics for Earth observation.
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Rigetti Computing59Quantum ComputingBerkeley, United States$178.0MDesigns, manufactures, and deploys superconducting quantum computers and processors.
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Pico Immersive56Virtual RealityBeijing, China$397.1MGlobal extended reality headset and software maker.
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Algaeing55TextileTel Aviv, Israel$12.0MDevelops eco-positive, scalable solutions for textile fiber and fabric dyeing.
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Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MDeveloping a novel, sustainable process for extracting valuable minerals from industrial wastewater.
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Nexthop AI55Artificial IntelligenceSanta Clara, United States$610.0MNexthop AI builds customized, high-efficiency networking hardware and software solutions for hyperscale cloud infrastructure providers.
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Oxide Computer55EnterpriseSan Francisco, United States$200.0MPrivate cloud infrastructure startup offering integrated rack systems for enterprise data centers.
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Ouster55RoboticsSan Francisco, United States$100.0MOuster is a lidar manufacturer that has acquired StereoLabs, specializing in vision-based perception systems, to create a unified sensing and perception platform for advanced physical AI systems.
Open source
Falkbuilt Ltd.54Advanced ManufacturingCalgary, CanadaCalgary-based company delivering digitally coordinated, prefabricated interior construction solutions.
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EarthDaily Analytics54Earth ObservationVancouver, CanadaDelivers high-quality Earth observation data and advanced analytics for agriculture, environment, and urban planning.
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Rainbow Robotics54RoboticsDaejeon, South Korea$213.3MDevelops advanced humanoid robots and AI-powered robotic solutions for diverse applications.
Open source
StereoLabs54RoboticsParis, France$30.0MVision-based perception systems for robotics and industrial applications.
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Datablanket53FireSan Francisco, United States$4.0MProvides integrated communication, intelligence, and AI for wildfire firefighting.
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Enflame Technology53Artificial IntelligenceShanghai, China$400.0MAI chipmaker
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QuantumScape52Energy TechSan Jose, United States$1.3BDeveloping solid-state lithium-metal batteries for electric vehicles to enable faster charging, longer range, and enhanced safety.
Open source
- MAMAJESTIC LABS AI52AISan Francisco, United States$100.0M
Develops specialized hardware and computing solutions for AI.
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Vivint Solar52Solar EnergyLehi, United StatesResidential solar energy provider offering design, installation, and financing of solar systems.
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Pollen Robotics52RoboticsParis, France$2.6MPioneering accessible, open-source physical robots and AI-powered application development.
Open source · Self-hostable
Unitree Robotics51Humanoid RoboticsHangzhou, ChinaA leading Chinese developer and manufacturer of advanced humanoid robots.
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Positron49HardwareSan Francisco, United States$825.1MAI chipmaker focused on energy-efficient hardware as an alternative to Nvidia.
Open source
Gaius.AI48ManufacturingTel Aviv, Israel$10.0MAI-powered machine intelligence for food mass-manufacturing equipment, optimizing extrusion processes.
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Re Sustainability47SustainabilityNew York, United States$1.5MA platform focused on enabling businesses to achieve and report on sustainability goals.
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Swift Navigation47GNSSSan Francisco, United States$104.5MHigh-accuracy GNSS and precise positioning solutions for autonomous vehicles and robotics.
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Luxonis47Artificial IntelligenceDenver, USA$14.0MTransforming industrial automation with cameras and machine vision.
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Magentic46MFG + SUPPLY CHAINSan Francisco, United States$14.6MAI-powered platform for manufacturing and supply chain optimization.
Open source
Arduino46Open SourceSomerville, United States$54.0MOpen-source hardware and software company providing microcontrollers and kits for digital devices.
Open source · Self-hostable