Open Source Alternatives to Fello
60 open source Fintech options similar to Fello, 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.
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
Mercury64FintechSan Francisco, United States$500.0MBusiness banking.
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Dinero54FintechStockholm, Sweden$1.2MA financial management platform for freelancers and small businesses.
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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
April57FintechNew York, United States$78.0MApril provides embedded tax solutions for modern financial platforms, offering tax filing and planning capabilities.
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Mercury Technologies, .19FintechSan Francisco, United StatesBusiness banking and financial tools for startups and growing companies.
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Wix85WebsiteTel Aviv, Israel$1.3BWix is a leading cloud-based web development platform that allows users to create professional websites and online presences.
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Forter85FintechNew York, United States$550.0MForter provides an AI-powered trust platform for digital commerce, preventing fraud and abuse while maximizing revenue.
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Plaid74FintechSan Francisco, United States$734.3MPlaid provides a data transfer network powering fintech and digital finance products.
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Razorpay73FintechBengaluru, IndiaA leading payment gateway and financial services platform for businesses in India.
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Rapyd73PaymentsLondon, United Kingdom$1.3BGlobal fintech-as-a-service platform enabling businesses to accept, send, and manage funds worldwide.
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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
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Chargebee69FintechChennai, India$303.0MSubscription management and recurring billing platform for SaaS and e-commerce businesses.
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Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
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Paddle67FintechLondon, United Kingdom$318.0MPaddle is a comprehensive payments, tax, and subscription solution for SaaS companies.
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Rewire63FintechTel Aviv, Israel$57.0MOnline cross-border financial services platform for international workers and migrants.
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Shift4 Europe62FintechAllentown, United States$160.0MCommerce enablement technology powering billions of transactions for businesses globally.
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Wirex62FintechLondon, United Kingdom$15.0MUnified platform for managing digital wealth with crypto wallets, debit cards, and banking services.
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Afterpay61FintechMelbourne, Australia$1.0BBuy Now, Pay Later service enabling interest-free installment payments for consumers.
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Solana61BlockchainSan Francisco, United States$195.5MHigh-performance blockchain powering decentralized applications and crypto projects.
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Mollie60FintechAmsterdam, Netherlands$870.0MA payment service provider that simplifies online payments for businesses.
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Iyzico58FintechIstanbul, Turkey$30.6MOnline payment gateway and financial services provider for businesses in Turkey and emerging markets.
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Paid57Agentic AISan Francisco, United States$21.0MAll-in-one revenue engine for AI agents, handling pricing, subscriptions, billing, and renewals.
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BitPay56FintechAtlanta, United StatesBitPay is a cryptocurrency payment service provider facilitating transactions for businesses and individuals.
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Catena Labs56Agentic AISan Francisco, United States$36.0MPioneering the first AI-native financial institution for autonomous AI agents.
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- SASapiom55Agentic AISan Francisco, United States$15.8M
Sapiom provides a cloud platform enabling AI agents to access tools under a usage-based billing model.
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Volt55FintechLondon, United Kingdom$140.0MAn open banking payment platform enabling real-time account-to-account payments globally.
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BasisTheory55FintechSan Francisco, United States$17.0MTokenization and data security platform for managing sensitive payment data, enabling agentic commerce.
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Tweed54FintechNew York, United States$4.0MSelf-custodial key management and white-label wallets for platforms integrating Web3.
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PPRO54FintechLondon, United Kingdom$150.0MGlobal payment infrastructure provider enabling businesses to accept and make payments worldwide.
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Celo54BlockchainSan Francisco, United States$63.0MMobile-first blockchain platform.
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Digits53FintechSan Francisco, United StatesAI-powered financial operations platform for businesses.
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Banked53FintechLondon, United Kingdom$2.0MA payment infrastructure company enabling account-to-account payments.
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Breez52CryptoTel Aviv, Israel$5.0MA non-custodial mobile platform for the P2P Lightning economy, enabling Bitcoin payments.
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RevenueCat51FintechSan Francisco, United States$50.0MSubscription infrastructure for mobile apps, simplifying in-app purchases and subscriptions.
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Origin Protocol51Web3San Francisco, United States$88.0MDecentralized platform for creating and trading NFTs and DeFi products.
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Nevermined50Agentic AISan Francisco, United StatesFinancial infrastructure for AI agents, enabling instant monetization and flexible AI billing.
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Kima50BlockchainTel Aviv, Israel$6.7MFintech protocol for universal liquidity, fixing DeFi interoperability by uniting fragmented blockchains and assets.
Open source
- SUSuperfluid Foundation49FintechZug, Switzerland$28.2M
Real-time finance infrastructure for Web3, enabling per-second value transfer and automated continuous payments.
Open source · Self-hostable
- KEKeeta Network48BlockchainSanta Monica, United States$34.0M
A high-performance Layer 1 blockchain network connecting payment systems for efficient, compliant global asset transfers.
Open source
MuchBetterAI47FintechLondon, United Kingdom$4.4MAI-powered platform for personalized financial management and smart spending.
Open source
Horizon Blockchain Games47FintechToronto, Canada$10.0MBuilding the infrastructure for the onchain internet with smart wallets and cross-chain payments.
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Choco Insurance47FintechTel Aviv, IsraelInsurtech platform simplifying insurance for small businesses and freelancers.
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Tapaya46FintechPrague, Czech Republic$1.1MPayments infrastructure for banks, fintechs, and software platforms.
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AYD44Creator EconomySan Francisco, United StatesAYD is a platform that helps creators manage their businesses and monetize their content.
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Credbull41FintechTel Aviv, Israel$1.5MAI-powered platform for managing and optimizing B2B payment workflows.
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Prava40FintechSan Francisco, United States$1.5MPayments orchestrator for AI agents, enabling secure, encrypted payments via API and wallet.
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Ecton Labs40FintechNew York, United StatesReimagining patient financial engagement in healthcare through technology.
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Natural39Agentic PaymentsSan Francisco, United States$12.0MAgentic payments platform powering frictionless money movement between AI agents, businesses, and consumers.
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Gigaroo37Fintech$2.5MPersonal blog and project portfolio showcasing technical projects in hardware hacking, software development, and vintage technology.
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Lava Payments36FintechLondon, United Kingdom$7.8MLava Payments is a fintech startup providing a payment orchestration platform for businesses to manage and optimize their payment flows.
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KNAV35Financial ServicesAtlanta, USA$1.0MAI-powered platform for financial services.
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Ethena34Fintech$40.0MDecentralized synthetic dollar protocol providing a censorship-resistant, scalable, and capital-efficient alternative to traditional stablecoins.
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Coplane33Travel TechTel Aviv, Israel$16.8MAI-powered platform for managing and optimizing business travel and expenses.
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Virtual-Crypto31FintechDelivers mission-critical security integration and advanced surveillance solutions for national infrastructure and public safety.
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Brexia29FintechAI-powered platform for automating and optimizing B2B payments and financial operations.
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xpay28FintechBengaluru, IndiaPayment infrastructure for AI agents, enabling secure spending and monetization.
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finitiOne27Loyalty ProgramsEnterprise loyalty and affinity program solution serving millions of users.
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Bluemoney24FintechAI-powered platform for managing and optimizing business finances and payments.
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Tryledger23FintechAI-driven ledger management solutions for financial technology operations.
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