Open source focus
Open Source Alternatives to Ardenpay
60 open source Fintech options similar to Ardenpay, 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.
BitPay56FintechAtlanta, United StatesOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
- SUSuperfluid Foundation49FintechZug, Switzerland$28.2M
Open source · Self-hostable
Horizon Blockchain Games47FintechToronto, Canada$10.0MOpen source
eToro85FintechLimassol, Cyprus$524.0MOpen source
Wirex62FintechLondon, United Kingdom$15.0MOpen source
Tweed54FintechNew York, United States$4.0MOpen source
Kima50BlockchainTel Aviv, Israel$6.7MOpen source
Ethena34Fintech$40.0MOpen source
- LOLobster.cash9Fintech
Open source
Plaid74FintechSan Francisco, United States$734.3MOpen source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
Razorpay73FintechBengaluru, IndiaOpen source
Sei62BlockchainSan Francisco, United States$35.0MOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Shift4 Europe61FintechAllentown, United States$160.0MOpen source
Aave61FintechLondon, United Kingdom$29.5MOpen source
Iyzico58FintechIstanbul, Turkey$30.6MOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Volt55FintechLondon, United Kingdom$140.0MOpen source
Celo54BlockchainSan Francisco, United States$63.0MOpen source
Mode Network54DeFiLondon, United Kingdom$5.3MOpen source
Banked53FintechLondon, United Kingdom$2.0MOpen source
Blockchain53FintechNew York, United States$520.5MOpen source
PPRO52FintechLondon, United Kingdom$150.0MOpen source
Shapeshift Labs52FintechDenver, United StatesOpen source
Stride Labs50FintechNew York, United States$6.7MOpen source
- KEKeeta Network47BlockchainSanta Monica, United States$34.0M
Open source
Virtual-Crypto31FintechOpen source
Lava Payments29FintechLondon, United Kingdom$7.8MOpen source
Trust Wallet28FintechTallinn, EstoniaOpen source
Tryledger21FintechOpen source
Clawpump19BlockchainOpen source
PayAI15FintechOpen source
Libra13FintechGeneva, SwitzerlandOpen source
- X4x402.org10EdTech
Open source
- F(f(x) Protocol10Fintech
Open source
- FXfxUSD5Fintech
Open source
Traditional Payment Gateways (Stripe, PayPal)2FintechSan Francisco, United StatesOpen source
VelocitypayFintechOpen source
LiquidsonarFintechOpen source
Everstake Validation ServicesFintechKyiv, UkraineOpen source
LidoDeFiOpen source
arnipayFintechAsunción, ParaguayOpen source
Stripe, Inc.73BillingSouth San Francisco, United States$11.4BOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Chargebee69FintechChennai, India$303.0MOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
Mysten Labs64Web3Menlo Park, United States$351.0MOpen source
Rewire63FintechTel Aviv, Israel$57.0MOpen source
ZenGo63CryptoTel Aviv, Israel$47.0MOpen source
ether.fi63DeFiZug, SwitzerlandOpen source
Monad Labs62BlockchainNew York, United States$266.0MOpen source
Afterpay61FintechMelbourne, Australia$1.0BOpen source
Ownera58BlockchainTel Aviv, Israel$20.0MOpen source · Self-hostable
Paid57Agentic AISan Francisco, United States$21.0MOpen source
RevenueCat57FintechSan Francisco, United States$50.0MOpen source
MakerDAO56FintechSan Francisco, United States$15.0MOpen source
Cardano55BlockchainOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| BitPay | Fintech | Open source | Atlanta, United States | — | 56 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| SUSuperfluid Foundation | Fintech | Open source · Self-hostable | Zug, Switzerland | $28.2M | 49 |
| Horizon Blockchain Games | Fintech | Open source | Toronto, Canada | $10.0M | 47 |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 |
| Wirex | Fintech | Open source | London, United Kingdom | $15.0M | 62 |
| Tweed | Fintech | Open source | New York, United States | $4.0M | 54 |
| Kima | Blockchain | Open source | Tel Aviv, Israel | $6.7M | 50 |
| Ethena | Fintech | Open source | — | $40.0M | 34 |
| LOLobster.cash | Fintech | Open source | — | — | 9 |
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 |
| Sei | Blockchain | Open source | San Francisco, United States | $35.0M | 62 |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 |
| Shift4 Europe | Fintech | Open source | Allentown, United States | $160.0M | 61 |
| Aave | Fintech | Open source | London, United Kingdom | $29.5M | 61 |
| Iyzico | Fintech | Open source | Istanbul, Turkey | $30.6M | 58 |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 |
| Volt | Fintech | Open source | London, United Kingdom | $140.0M | 55 |
| Celo | Blockchain | Open source | San Francisco, United States | $63.0M | 54 |
| Mode Network | DeFi | Open source | London, United Kingdom | $5.3M | 54 |
| Banked | Fintech | Open source | London, United Kingdom | $2.0M | 53 |
| Blockchain | Fintech | Open source | New York, United States | $520.5M | 53 |
| PPRO | Fintech | Open source | London, United Kingdom | $150.0M | 52 |
| Shapeshift Labs | Fintech | Open source | Denver, United States | — | 52 |
| Stride Labs | Fintech | Open source | New York, United States | $6.7M | 50 |
| KEKeeta Network | Blockchain | Open source | Santa Monica, United States | $34.0M | 47 |
| Virtual-Crypto | Fintech | Open source | — | — | 31 |
| Lava Payments | Fintech | Open source | London, United Kingdom | $7.8M | 29 |
| Trust Wallet | Fintech | Open source | Tallinn, Estonia | — | 28 |
| Tryledger | Fintech | Open source | — | — | 21 |
| Clawpump | Blockchain | Open source | — | — | 19 |
| PayAI | Fintech | Open source | — | — | 15 |
| Libra | Fintech | Open source | Geneva, Switzerland | — | 13 |
| X4x402.org | EdTech | Open source | — | — | 10 |
| F(f(x) Protocol | Fintech | Open source | — | — | 10 |
| FXfxUSD | Fintech | Open source | — | — | 5 |
| Traditional Payment Gateways (Stripe, PayPal) | Fintech | Open source | San Francisco, United States | — | 2 |
| Velocitypay | Fintech | Open source | — | — | — |
| Liquidsonar | Fintech | Open source | — | — | — |
| Everstake Validation Services | Fintech | Open source | Kyiv, Ukraine | — | — |
| Lido | DeFi | Open source | — | — | — |
| arnipay | Fintech | Open source | Asunción, Paraguay | — | — |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 73 |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 |
| Chargebee | Fintech | Open source | Chennai, India | $303.0M | 69 |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 |
| Mercury | Fintech | Open source | San Francisco, United States | $500.0M | 64 |
| Mysten Labs | Web3 | Open source | Menlo Park, United States | $351.0M | 64 |
| Rewire | Fintech | Open source | Tel Aviv, Israel | $57.0M | 63 |
| ZenGo | Crypto | Open source | Tel Aviv, Israel | $47.0M | 63 |
| ether.fi | DeFi | Open source | Zug, Switzerland | — | 63 |
| Monad Labs | Blockchain | Open source | New York, United States | $266.0M | 62 |
| Afterpay | Fintech | Open source | Melbourne, Australia | $1.0B | 61 |
| Ownera | Blockchain | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 58 |
| Paid | Agentic AI | Open source | San Francisco, United States | $21.0M | 57 |
| RevenueCat | Fintech | Open source | San Francisco, United States | $50.0M | 57 |
| MakerDAO | Fintech | Open source | San Francisco, United States | $15.0M | 56 |
| Cardano | Blockchain | Open source · Self-hostable | — | — | 55 |