Open Source Alternatives to Theaai
60 open source Web3 options similar to Theaai, 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.
Curiotrader8Agentic AIAI-powered platform for discovering and trading unique digital assets and collectibles.
Open source
Solana61BlockchainSan Francisco, United States$195.5MHigh-performance blockchain powering decentralized applications and crypto projects.
Open source
Flippa58MarketplaceMelbourne, Australia$11.0MWorld's leading marketplace for buying and selling online businesses, websites, apps, and domains.
Open source
Cardano55BlockchainA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
ENS (Ethereum Name Service)53Web3$1.0MDecentralized naming system for the Ethereum blockchain, mapping human-readable names to Ethereum addresses and Web3 resources.
Open source
Origin Protocol51Web3San Francisco, United States$88.0MDecentralized platform for creating and trading NFTs and DeFi products.
Open source
io.finnet47FintechTel Aviv, IsraelEnterprise blockchain and digital asset infrastructure for financial institutions.
Open source
Bluprynt47FintechNew York, United States$6.0MThe Compliance OS for Onchain Finance.
Open source
Shapeshift Labs39FintechDenver, United StatesYour multichain crypto home base.
Open source
Arrakis Finance34FintechArrakis Finance is an onchain market maker providing deep, actively managed liquidity for token issuers and real-world assets.
Open source
Mirra AI28Web3Mirra AI is a premium domain marketplace offering expert-curated, brandable domains to elevate businesses.
Open source
PayAI15FintechDecentralized payment infrastructure and marketplace for AI agents to transact and monetize services.
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
- 0X0xWork10Web3
Decentralized marketplace for autonomous AI agents to find work, build reputation, and earn USDC.
Open source
moltlaunch10Web3On-chain coordination protocol and marketplace for hiring autonomous AI agents on the Base network.
Open source
Obscura Ephermeral ClubAI InfrastructureA dark pool for GPU compute on Solana, enabling private transactions for AI agents and users.
Open source
Carbon-Ledger stellarClimate TechVerifiable carbon credits on the Stellar blockchain with a transparent audit trail.
Open source
Sikka LabsDigital AssetsQuantum-safe, Tor-native, zero-fee digital asset platform with a fixed supply.
Open source
- Fed LabsDigital Identity
Engineering systems that shape digital identity.
Open source
NetgaindaoFintechDecentralized platform for managing and optimizing digital assets and investments.
Open source
eToro85FintechLimassol, Cyprus$524.0MeToro is a social investing platform enabling users to trade stocks, crypto, and ETFs, and copy top-performing investors.
Open source
Polygon81BlockchainMumbai, India$400.0MA framework and platform for building and connecting blockchain networks, focusing on scalability and usability for Ethereum.
Open source
Alchemy76BlockchainSan Francisco, United States$450.0MLeading blockchain developer platform providing infrastructure, APIs, and tools to build scalable Web3 applications.
Open source
WooCommerce (Automattic)76E-commerceSan Francisco, United States$815.7MA free, open-source e-commerce plugin for WordPress, empowering businesses to build and manage online stores.
Open source · Self-hostable
StarkWare73BlockchainTel Aviv, Israel$180.0MDevelops blockchain scaling solutions using STARK technology for Ethereum-secure, fast, and seamless user experiences.
Open source
Arena71Artificial IntelligenceBerkeley, USA$250.0MThe de facto public leaderboard for frontier LLMs.
Open source
Clipboard Health70HealthTechNew York, United States$80.0MMarketplace connecting healthcare facilities with per diem nurses and allied health professionals for flexible shifts.
Open source
QuickNode69BlockchainMiami, United States$95.0MBlockchain infrastructure provider offering high-performance RPC nodes and developer tools for Web3 applications.
Open source
Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
Open source
Phantom66FintechSan Francisco, United States$268.0MA multi-chain crypto wallet providing secure asset management, trading, and embedded developer SDKs.
Open source
VTEX Commerce Platform64E-commerceRio de Janeiro, Brazil$445.0MComposable, AI-native digital commerce platform for enterprise brands and retailers.
Open source
OpenSea64FintechNew York, United States$423.0MA multi-chain crypto trading aggregator for NFTs, tokens, and other digital assets.
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
ZenGo63CryptoTel Aviv, Israel$47.0MNext-generation crypto wallet secured by MPC, eliminating seed phrase vulnerability.
Open source
CertiK63Web3New York, United States$241.5MBlockchain security and auditing firm providing smart contract auditing, KYC, and security tools.
Open source
XMTP63AISan Francisco, United States$49.9MExtensible Message Transport Protocol for secure, decentralized, and identity-native messaging across Web3 applications.
Open source
ether.fi63DeFiZug, SwitzerlandDecentralized, non-custodial staking protocol for Ethereum and other liquid staking tokens.
Open source
Privy62Web3New York, United States$41.3MEmbedded wallet infrastructure for developers to build seamless and secure crypto experiences.
Open source
Sei62BlockchainSan Francisco, United States$35.0MHigh-performance blockchain for decentralized exchanges.
Open source
Wirex62FintechLondon, United Kingdom$15.0MUnified platform for managing digital wealth with crypto wallets, debit cards, and banking services.
Open source
thirdweb62Web3San Francisco, United States$29.0MComprehensive Web3 development platform providing SDKs, smart contract tools, and wallet infrastructure for developers.
Open source
Arbitrum62FintechNew York, United States$143.7MLayer 2 scaling solution for Ethereum using optimistic rollups to increase speed and reduce fees.
Open source
Monad Labs62BlockchainNew York, United States$266.0MBuilding a high-performance, scalable blockchain with a novel execution environment.
Open source
Credible62FintechSan Francisco, United StatesFinancial marketplace for comparing and obtaining loans and other financial products.
Open source
Aave61FintechLondon, United Kingdom$29.5MA decentralized protocol for lending and borrowing cryptocurrencies.
Open source
Mindbody61SaaSSan Luis Obispo, United States$97.0MCloud-based business management software for the wellness, beauty, and fitness industries.
Open source
Trainline59Travel TechLondon, United Kingdom$870.0MTrainline is a British digital rail and coach technology platform operating across Europe. It sells train tickets and railcards as well as providing free access
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
Iyzico58FintechIstanbul, Turkey$30.6MOnline payment gateway and financial services provider for businesses in Turkey and emerging markets.
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
Near58BlockchainZug, Switzerland$1.1BScalable blockchain platform for user-friendly decentralized applications.
Open source
Market Beyond57RetailTechNew York, United States$4.0MLeverages AI and big data to provide real-time, product-level e-commerce insights to Fortune 500 companies.
Open source
ChainSafe Systems57Web3Toronto, Canada$18.8MLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
Open source · Self-hostable
- FOFotolia57Stock PhotographyNew York, United States$225.0M
A royalty-free stock photo marketplace acquired by Adobe.
Open source
Compass57Real EstateNew York, United States$1.1BA real estate technology company providing an end-to-end platform for agents and clients.
Open source
Addressable57Web3San Francisco, United States$13.5MWeb3 growth suite for targeted user acquisition on social and web channels.
Open source
BitPay56FintechAtlanta, United StatesBitPay is a cryptocurrency payment service provider facilitating transactions for businesses and individuals.
Open source
Akash Network56DePINSan Francisco, United States$2.0MDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
- CECelestia55BlockchainZug, Switzerland$63.0M
A modular blockchain network.
Open source
Shopify55E-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