Open Source Alternatives to Atomic Invest
60 open source Fintech options similar to Atomic Invest, 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.
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
Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
Open source
KNAV35Financial ServicesAtlanta, USA$1.0MOpen source
Traditional Payment Gateways (Stripe, PayPal)23FintechSan Francisco, United StatesA financial infrastructure platform offering payment processing, banking-as-a-service, and business tools for internet companies.
Open source
OpenAI86Artificial IntelligenceSan Francisco, United States$190.6BOpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity.
Open source
Rapyd74PaymentsLondon, United Kingdom$1.3BGlobal fintech-as-a-service platform enabling businesses to accept, send, and manage funds worldwide.
Open source
Forter74FintechNew York, United States$550.0MForter provides an AI-powered trust platform for digital commerce, preventing fraud and abuse while maximizing revenue.
Open source
Razorpay73FintechBengaluru, IndiaA leading payment gateway and financial services platform for businesses in India.
Open source
Plaid70FintechSan Francisco, United States$734.3MPlaid provides a data transfer network powering fintech and digital finance products.
Open source
Alpaca63FintechNew York, United States$202.0MDeveloper-first API infrastructure for stock, options, and cryptocurrency trading.
Open source
Addepar60FintechNew York City, United States$412.1MA global technology and data platform empowering investment professionals with insights and tools.
Open source
Finch59FintechSan Francisco, United StatesAPI for HR, payroll, and benefits administration.
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April58FintechNew York, United States$78.0MApril provides embedded tax solutions for modern financial platforms, offering tax filing and planning capabilities.
Open source
PPRO54FintechLondon, United Kingdom$150.0MGlobal payment infrastructure provider enabling businesses to accept and make payments worldwide.
Open source
Paid54Agentic AISan Francisco, United States$21.0MAll-in-one revenue engine for AI agents, handling pricing, subscriptions, billing, and renewals.
Open source
Tweed53FintechNew York, United States$4.0MSelf-custodial key management and white-label wallets for platforms integrating Web3.
Open source
Banked53FintechLondon, United Kingdom$2.0MA payment infrastructure company enabling account-to-account payments.
Open source
RevenueCat51FintechSan Francisco, United States$50.0MSubscription infrastructure for mobile apps, simplifying in-app purchases and subscriptions.
Open source
Horizon Blockchain Games47FintechToronto, Canada$10.0MBuilding the infrastructure for the onchain internet with smart wallets and cross-chain payments.
Open source
Tapaya46FintechPrague, Czech Republic$1.1MPayments infrastructure for banks, fintechs, and software platforms.
Open source
Prava40FintechSan Francisco, United States$1.5MPayments orchestrator for AI agents, enabling secure, encrypted payments via API and wallet.
Open source
Natural39Agentic PaymentsSan Francisco, United States$12.0MAgentic payments platform powering frictionless money movement between AI agents, businesses, and consumers.
Open source
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.
Open source
Ecton Labs27FintechNew York, United StatesReimagining patient financial engagement in healthcare through technology.
Open source
Tryledger23FintechAI-driven ledger management solutions for financial technology operations.
Open source
Clawpump19BlockchainA gasless token launchpad for AI agents on the Solana blockchain, enabling free token launches and automated transactions.
Open source
- ATAtoZ Labs11Blockchain
Pioneering blockchain protocol integrating AI infrastructure for an open, community-driven AI ecosystem.
Open source · Self-hostable
Fincharter11FintechInnovative fintech solutions platform launching soon. Subscribe for updates.
Open source
Fenger10FintechOpen source
Lobster.cash9FintechSecure payment solution for AI agents using virtual credit cards and stablecoins.
Open source
Antennafunds7FintechAntennafunds is an AI-powered platform for venture capital deal sourcing and investment analysis.
Open source
Johnhopebryant7FintechOpen source
Banyanbridgecapital7FintechBanyan Bridge Capital offers expert capital investment and financial services, helping clients discover optimal investment opportunities.
Open source
Allfolios7FintechAllfolios is an AI-powered platform that automates the creation and management of investment portfolios for financial advisors.
Open source
Quantlend6FintechQuantlend offers innovative AI lending solutions in alternative lending and quantitative finance.
Open source
Bloomberg L.P.82FintechNew York, United States$60.1BGlobal financial, software, data, and media company providing real-time information and analytics.
Open source
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
Cursor77Artificial IntelligenceSan Francisco, United States$2.9BAn AI-native code editor that helps developers write, understand, and manage code more efficiently.
Open source
NemoClaw75Artificial IntelligenceAI-native growth co-founder for SEO, offering software and services for durable organic growth.
Open source · Self-hostable
DeepL74Artificial IntelligenceCologne, Germany$300.0MAI-powered language translation and writing assistant platform delivering highly accurate translations for individuals and enterprises.
Open source
eToro74FintechLimassol, Cyprus$524.0MeToro is a social investing platform enabling users to trade stocks, crypto, and ETFs, and copy top-performing investors.
Open source
StarkWare73BlockchainTel Aviv, Israel$180.0MDevelops blockchain scaling solutions using STARK technology for Ethereum-secure, fast, and seamless user experiences.
Open source
Qdrant71Vector DatabaseBerlin, Germany$96.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MA Mac app that combines local and cloud AI models, keeping user data on their hardware.
Open source
Crunchbase70DataSan Francisco, United StatesA platform providing data and insights on private and public companies, startups, and investors.
Open source
Chargebee69FintechChennai, India$303.0MSubscription management and recurring billing platform for SaaS and e-commerce businesses.
Open source
Mercury67FintechSan Francisco, United States$500.0MBusiness banking.
Open source
Pinecone66AI InfrastructureSan Francisco, United States$138.0MManaged vector database for building scalable, reliable, and accurate AI applications and search.
Open source
Comet ML64MLOpsNew York, United States$69.8MA meta machine learning platform for tracking, comparing, and optimizing ML experiments.
Open source
Clair63FintechNew York, United States$67.7MEmbedded earned wage access for employees, integrated with HR platforms.
Open source
Arena63Artificial IntelligenceBerkeley, USA$250.0MThe de facto public leaderboard for frontier LLMs.
Open source
Monad Labs62BlockchainNew York, United States$266.0MBuilding a high-performance, scalable blockchain with a novel execution environment.
Open source
Alloy62FintechSan Francisco, United States$207.0MIdentity risk management platform for financial institutions and fintechs to automate onboarding, fraud prevention, and compliance.
Open source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MAn AI coworker that lives in Slack and Microsoft Teams and works across the tools companies already use.
Open source
Shift4 Europe62FintechAllentown, United States$160.0MCommerce enablement technology powering billions of transactions for businesses globally.
Open source
Afterpay62FintechMelbourne, Australia$1.0BBuy Now, Pay Later service enabling interest-free installment payments for consumers.
Open source
Shufti Pro61Identity VerificationLondon, United Kingdom$21.0MAI-powered identity verification and AML compliance solutions for global businesses.
Open source
Giskard60Artificial IntelligenceParis, France$2.5MEurope's first independent sovereign guardrail platform for enterprise AI agents.
Open source
Skyflow58Data PrivacyPalo Alto, United States$100.0MData privacy platform for sensitive data, enabling secure data access and compliance.
Open source
Ownera58BlockchainTel Aviv, Israel$20.0MInteroperability solutions for tokenized assets, enabling secure and regulated digital securities trading.
Open source · Self-hostable

