Open Source Alternatives to Marine Hound
60 open source Climate Tech options similar to Marine Hound, 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$3.0MSmartGreen 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
WeatherXM33Climate TechAthens, GreeceDecentralized weather network powered by a global community of weather stations.
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
Octopus Energy76EnergyLondon, United Kingdom$800.0MGlobal clean energy tech company using proprietary software to provide affordable, renewable energy solutions.
Open source
Percepto67DronesTel Aviv, Israel$136.8MPercepto provides an autonomous inspection and monitoring platform for industrial sites using drones and robotics.
Open source
ecobee63Smart HomeToronto, Canada$96.0MSmart thermostats and home devices for enhanced comfort, security, and energy savings.
Open source
Tomorrow.io62WeatherBoston, United States$259.0MThe world's leading Weather and Climate Security Platform, providing actionable weather intelligence.
Open source
EOS Data Analytics60AgTechKyiv, UkraineEOS Data Analytics provides AI-powered satellite imagery analytics for Earth observation.
Open source
Algaeing55TextileTel Aviv, Israel$12.0MDevelops eco-positive, scalable solutions for textile fiber and fabric dyeing.
Open source
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MDeveloping a novel, sustainable process for extracting valuable minerals from industrial wastewater.
Open source
WaiV Robotics50RoboticsSouthampton, United Kingdom$7.5MAutonomous maritime infrastructure for reliable VTOL drone operations at sea.
Open source
SolCold50CleantechTel Aviv, IsraelDevelops a patented nano-material for passive solar cooling without electricity.
Open source
Re Sustainability47SustainabilityNew York, United States$1.5MA platform focused on enabling businesses to achieve and report on sustainability goals.
Open source
Voltfang41EV ChargingBerlin, Germany$15.0MAI-powered platform for optimizing electric vehicle charging infrastructure and operations.
Open source
EnergyX41Energy & Climate TechAustin, United StatesEnergyX is developing advanced lithium extraction technology for sustainable battery production.
Open source
Intellivolt35EV ChargingLondon, United KingdomIntellivolt provides intelligent EV charging solutions for businesses and fleets.
Open source
everwave18Climate TechHamburg, Germanyeverwave is a German startup developing a platform for cleaning up plastic waste from rivers.
Open source
Parkkis8Smart CityAI-powered parking reservation and management platform for urban areas.
Open source
Carbon-Ledger stellar8Climate TechVerifiable carbon credits on the Stellar blockchain with a transparent audit trail.
Open source
Greencognition6Climate TechGreencognition explores green technology solutions, integrating AI for sustainable innovations.
Open source
SPS Commerce85SaaSMinneapolis, United States$7.5MCloud-based supply chain management solutions connecting retailers and suppliers for automated data exchange.
Open source
1Password85CybersecurityToronto, Canada$1.2BSecurely stores and manages passwords, secrets, and access for individuals, businesses, and AI agents.
Open source
ElevenLabs79AILondon, United Kingdom$1.6BElevenLabs AI Music Generator allows users to quickly create high-quality, customized music tracks in any genre or style, with or without vocals, in multiple languages using simple text prompts.
Open source
Okta79SaaSSan Francisco, United States$187.0MCloud-based identity and access management platform for secure user authentication and application access.
Open source
Arm Holdings plc77Semiconductor DesignCambridge, United Kingdom$35.9BDesigns and licenses CPU cores and related technologies for semiconductors, powering most mobile devices and increasingly AI infrastructure.
Open source
Hugging Face76AINew York, United States$395.2MHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
Alchemy76BlockchainSan Francisco, United States$450.0MLeading blockchain developer platform providing infrastructure, APIs, and tools to build scalable Web3 applications.
Open source
Grafana Cloud74ObservabilityNew York, United States$2.1BFull-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.
Open source · Self-hostable
Backblaze73SaaSSan Mateo, United States$13.0MProvides affordable, S3-compatible cloud object storage and automated computer backup services for businesses and individuals.
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
WorkOS71Developer ToolsSan Francisco, United States$198.0MThe enterprise features layer for developers.
Open source
Lacework70AISan Jose, United States$1.3BData-driven cloud security platform providing automated threat detection and compliance across multi-cloud environments.
Open source
Ubuntu70Operating SystemsLondon, United Kingdom$63.0MA popular open-source Linux distribution.
Open source · Self-hostable
QuickNode69BlockchainMiami, United States$95.0MBlockchain infrastructure provider offering high-performance RPC nodes and developer tools for Web3 applications.
Open source
Chargebee69FintechChennai, India$303.0MSubscription management and recurring billing platform for SaaS and e-commerce businesses.
Open source
Upvest69FintechBerlin, Germany$392.0MA B2B SaaS investment infrastructure platform enabling firms to offer digital investment services.
Open source
XBOW69CybersecuritySeattle, United States$215.0MLeader in autonomous offensive security, providing AI-powered penetration testing and vulnerability assessment platforms.
Open source
Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
Open source
Veeva Systems67SaaSPleasanton, United States$7.0MCloud-based software, data, and consulting solutions for the global life sciences industry.
Open source
Paddle67FintechLondon, United Kingdom$318.0MPaddle is a comprehensive payments, tax, and subscription solution for SaaS companies.
Open source
Pantheon Platform67WebOpsVancouver, CanadaA leading WebOps platform for agencies and enterprises to build, launch, and manage high-performance websites.
Open source · Self-hostable
Chainalysis67FintechNew York, United States$170.0MBlockchain data platform providing compliance, investigation, and risk management software for global institutions and governments.
Open source
Phantom66FintechSan Francisco, United States$268.0MA multi-chain crypto wallet providing secure asset management, trading, and embedded developer SDKs.
Open source
JetBrains66Software DevelopmentPrague, Czech RepublicJetBrains creates intelligent, productivity-enhancing software development tools for professional developers and teams worldwide.
Open source
Pendo66Product AnalyticsRaleigh, United States$458.5MA product cloud company that helps businesses understand and improve how users interact with their software.
Open source
SiFive66AI ChipSan Jose, United States$774.9MDesigns and licenses RISC-V based custom processor cores and IP for diverse applications.
Open source
Firebolt65Cloud Data WarehousePalo Alto, United States$264.0MCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
Assent65Supply Chain ManagementOttawa, CanadaSupply chain sustainability and compliance management solutions for complex manufacturers.
Open source
WP Engine65InternetAustin, United States$251.2MManaged WordPress hosting platform providing scalable, secure, and high-performance digital experience solutions for businesses.
Open source
Twilio64SaaSSan Francisco, United States$130.0MCloud communications platform providing APIs for voice, messaging, email, and video engagement.
Open source
Checkly63SaaSBerlin, Germany$32.3MCode-first synthetic monitoring and observability platform for modern DevOps and engineering teams.
Open source
D-Fend Solutions63DronesTel Aviv, Israel$59.0MCounter-drone technology provider enabling control and safety during rogue drone incidents.
Open source
Crusoe Energy63Energy & Climate TechDenver, United States$610.0MOpen source
Roam Research63SaaSSan Francisco, United States$9.0MA note-taking tool for networked thought, enabling users to organize notes and ideas through bi-directional linking and graph views.
Open source
Tracebit63CybersecurityLondon, United Kingdom$25.0MCloud-native cybersecurity company focused on threat detection using deception technology.
Open source
XMTP63AISan Francisco, United States$49.9MExtensible Message Transport Protocol for secure, decentralized, and identity-native messaging across Web3 applications.
Open source
Anaergia63Energy & Climate TechBurlington, CanadaAnaergia is a global leader in anaerobic digestion and renewable natural gas solutions.
Open source
Basis Theory62FintechMill Valley, United States$50.0MIndependent payment vault providing tokenization and data security infrastructure for merchants and platforms.
Open source
Upstash62SaaSSan Jose, United States$11.9MServerless Redis and Kafka for low-latency data.
Open source