Open source focus
Open Source Alternatives to GoCardless
60 open source Fintech options similar to GoCardless, 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.
Plaid74FintechSan Francisco, United States$734.3MOpen source
NvoicedFintechOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Chargebee69FintechChennai, India$303.0MOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
Paddle67FintechLondon, United Kingdom$318.0MOpen source
xpay28FintechBengaluru, IndiaOpen source
Forter85FintechNew York, United States$550.0MOpen source
Alchemy76BlockchainSan Francisco, United States$450.0MOpen source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
Razorpay73FintechBengaluru, IndiaOpen source
- UPUpvest69FintechBerlin, Germany$392.0M
Open source
Chainalysis67FintechNew York, United States$170.0MOpen source
Phantom66FintechSan Francisco, United States$268.0MOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
XMTP63AISan Francisco, United States$49.9MOpen source
Rewire63FintechTel Aviv, Israel$57.0MOpen source
Dune Analytics62FintechOslo, Norway$79.4MOpen source
Wirex62FintechLondon, United Kingdom$15.0MOpen source
Basis Theory62FintechMill Valley, United States$50.0MOpen source
Shift4 Europe61FintechAllentown, United States$160.0MOpen source
Addepar61FintechNew York City, United States$412.1MOpen source
Afterpay61FintechMelbourne, Australia$1.0BOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Mollie60FintechAmsterdam, Netherlands$870.0MOpen source
Fair Isaac Corporation (FICO)60Financial ServicesBozeman, United StatesOpen source
Iyzico58FintechIstanbul, Turkey$30.6MOpen source
Paid57Agentic AISan Francisco, United States$21.0MOpen source
RevenueCat57FintechSan Francisco, United States$50.0MOpen source
BitPay56FintechAtlanta, United StatesOpen source
Catena Labs56Agentic AISan Francisco, United States$36.0MOpen source
BasisTheory55FintechSan Francisco, United States$17.0MOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
- SASapiom55Agentic AISan Francisco, United States$15.8M
Open source
LeaseAccelerator55Enterprise SoftwareAtlanta, United States$90.0MOpen source
Volt55FintechLondon, United Kingdom$140.0MOpen source
Crossmint54FintechMiami, United States$23.6MOpen source
Tweed54FintechNew York, United States$4.0MOpen source
Celo54BlockchainSan Francisco, United States$63.0MOpen source
OpenZeppelin54BlockchainSan Francisco, United States$37.4MOpen source
Dinero54FintechStockholm, Sweden$1.2MOpen source
Banked53FintechLondon, United Kingdom$2.0MOpen source
PPRO52FintechLondon, United Kingdom$150.0MOpen source
Breez52CryptoTel Aviv, Israel$5.0MOpen source
Open Collective50FintechSan Francisco, United States$2.0MOpen source
Kima50BlockchainTel Aviv, Israel$6.7MOpen source
Nevermined50Agentic AISan Francisco, United StatesOpen source
- OPOpenfort49FintechBarcelona, Spain$3.0M
Open source
MOSTLY AI49AIVienna, Austria$25.0MOpen source
- SUSuperfluid Foundation49FintechZug, Switzerland$28.2M
Open source · Self-hostable
Request Finance49FintechSaint-Julien-en-Genevois, France$5.5MOpen source
Horizon Blockchain Games47FintechToronto, Canada$10.0MOpen source
- KEKeeta Network47BlockchainSanta Monica, United States$34.0M
Open source
Prava46FintechSan Francisco, United States$1.5MOpen source
Tapaya46FintechPrague, Czech Republic$1.1MOpen source
Glide Identity45CybersecuritySan Francisco, United States$25.0MOpen source
t54 Labs41AIDublin, United States$5.0MOpen source
Credbull40FintechTel Aviv, Israel$1.5MOpen source
Ecton Labs40FintechNew York, United StatesOpen source
Natural39Agentic PaymentsSan Francisco, United States$12.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 | |
| Nvoiced | Fintech | Open source | — | — | — | |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 | |
| Chargebee | Fintech | Open source | Chennai, India | $303.0M | 69 | |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 | |
| Paddle | Fintech | Open source | London, United Kingdom | $318.0M | 67 | |
| xpay | Fintech | Open source | Bengaluru, India | — | 28 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| Alchemy | Blockchain | Open source | San Francisco, United States | $450.0M | 76 | |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 | |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 | |
| UPUpvest | Fintech | Open source | Berlin, Germany | $392.0M | 69 | |
| Chainalysis | Fintech | Open source | New York, United States | $170.0M | 67 | |
| Phantom | Fintech | Open source | San Francisco, United States | $268.0M | 66 | |
| Mercury | Fintech | Open source | San Francisco, United States | $500.0M | 64 | |
| XMTP | AI | Open source | San Francisco, United States | $49.9M | 63 | |
| Rewire | Fintech | Open source | Tel Aviv, Israel | $57.0M | 63 | |
| Dune Analytics | Fintech | Open source | Oslo, Norway | $79.4M | 62 | |
| Wirex | Fintech | Open source | London, United Kingdom | $15.0M | 62 | |
| Basis Theory | Fintech | Open source | Mill Valley, United States | $50.0M | 62 | |
| Shift4 Europe | Fintech | Open source | Allentown, United States | $160.0M | 61 | |
| Addepar | Fintech | Open source | New York City, United States | $412.1M | 61 | |
| Afterpay | Fintech | Open source | Melbourne, Australia | $1.0B | 61 | |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 | |
| Mollie | Fintech | Open source | Amsterdam, Netherlands | $870.0M | 60 | |
| Fair Isaac Corporation (FICO) | Financial Services | Open source | Bozeman, United States | — | 60 | |
| Iyzico | Fintech | Open source | Istanbul, Turkey | $30.6M | 58 | |
| Paid | Agentic AI | Open source | San Francisco, United States | $21.0M | 57 | |
| RevenueCat | Fintech | Open source | San Francisco, United States | $50.0M | 57 | |
| BitPay | Fintech | Open source | Atlanta, United States | — | 56 | |
| Catena Labs | Agentic AI | Open source | San Francisco, United States | $36.0M | 56 | |
| BasisTheory | Fintech | Open source | San Francisco, United States | $17.0M | 55 | |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 | |
| SASapiom | Agentic AI | Open source | San Francisco, United States | $15.8M | 55 | |
| LeaseAccelerator | Enterprise Software | Open source | Atlanta, United States | $90.0M | 55 | |
| Volt | Fintech | Open source | London, United Kingdom | $140.0M | 55 | |
| Crossmint | Fintech | Open source | Miami, United States | $23.6M | 54 | |
| Tweed | Fintech | Open source | New York, United States | $4.0M | 54 | |
| Celo | Blockchain | Open source | San Francisco, United States | $63.0M | 54 | |
| OpenZeppelin | Blockchain | Open source | San Francisco, United States | $37.4M | 54 | |
| Dinero | Fintech | Open source | Stockholm, Sweden | $1.2M | 54 | |
| Banked | Fintech | Open source | London, United Kingdom | $2.0M | 53 | |
| PPRO | Fintech | Open source | London, United Kingdom | $150.0M | 52 | |
| Breez | Crypto | Open source | Tel Aviv, Israel | $5.0M | 52 | |
| Open Collective | Fintech | Open source | San Francisco, United States | $2.0M | 50 | |
| Kima | Blockchain | Open source | Tel Aviv, Israel | $6.7M | 50 | |
| Nevermined | Agentic AI | Open source | San Francisco, United States | — | 50 | |
| OPOpenfort | Fintech | Open source | Barcelona, Spain | $3.0M | 49 | |
| MOSTLY AI | AI | Open source | Vienna, Austria | $25.0M | 49 | |
| SUSuperfluid Foundation | Fintech | Open source · Self-hostable | Zug, Switzerland | $28.2M | 49 | |
| Request Finance | Fintech | Open source | Saint-Julien-en-Genevois, France | $5.5M | 49 | |
| Horizon Blockchain Games | Fintech | Open source | Toronto, Canada | $10.0M | 47 | |
| KEKeeta Network | Blockchain | Open source | Santa Monica, United States | $34.0M | 47 | |
| Prava | Fintech | Open source | San Francisco, United States | $1.5M | 46 | |
| Tapaya | Fintech | Open source | Prague, Czech Republic | $1.1M | 46 | |
| Glide Identity | Cybersecurity | Open source | San Francisco, United States | $25.0M | 45 | |
| t54 Labs | AI | Open source | Dublin, United States | $5.0M | 41 | |
| Credbull | Fintech | Open source | Tel Aviv, Israel | $1.5M | 40 | |
| Ecton Labs | Fintech | Open source | New York, United States | — | 40 | |
| Natural | Agentic Payments | Open source | San Francisco, United States | $12.0M | 39 |