Open source focus
Open Source Alternatives to Outpost
60 open source Fintech options similar to Outpost, 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.73BillingSouth 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
Forter85FintechNew York, United States$550.0MOpen source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
Chainalysis67FintechNew York, United States$170.0MOpen source
XMTP63AISan Francisco, United States$49.9MOpen source
Afterpay61FintechMelbourne, Australia$1.0BOpen source
Shift4 Europe61FintechAllentown, United States$160.0MOpen source
Fair Isaac Corporation (FICO)60Financial ServicesBozeman, United StatesOpen source
Iyzico58FintechIstanbul, Turkey$30.6MOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Crossmint54FintechMiami, United States$23.6MOpen source
MOSTLY AI49AIVienna, Austria$25.0MOpen source
Glide Identity45CybersecuritySan Francisco, United States$25.0MOpen source
t54 Labs41AIDublin, United States$5.0MOpen source
xpay28FintechBengaluru, IndiaOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
x40210FintechSan Francisco, United StatesOpen source
x402station4AISan Francisco, United StatesOpen source
- AGAgentic Commerce Protocol (ACP)3AISan Francisco, United States
Open source · Self-hostable
Traditional Payment Gateways (Stripe, PayPal)2FintechSan Francisco, United StatesOpen source
Universal Commerce Protocol (UCP)1FintechMountain View, United StatesOpen source
VelocitypayFintechOpen source
ElevenLabs79AILondon, United Kingdom$1.6BOpen source
Alchemy76BlockchainSan Francisco, United States$450.0MOpen source
Hugging Face76AINew York, United States$395.2MOpen source · Self-hostable
Plaid74FintechSan Francisco, United States$734.3MOpen source
Razorpay73FintechBengaluru, IndiaOpen source
- LALacework70AISan Jose, United States$1.3B
Open source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
- UPUpvest69FintechBerlin, Germany$392.0M
Open source
- VEVeeva Systems67SaaSPleasanton, United States$7.0M
Open source
Phantom66FintechSan Francisco, United States$268.0MOpen source
Zendesk65Customer ServiceSan Francisco, United States$500KOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
Rewire63FintechTel Aviv, Israel$57.0MOpen source
- QDQdrant63Artificial IntelligenceBerlin, Germany$87.5M
Open source · Self-hostable
- UPUpstash62SaaSSan Jose, United States$11.9M
Open source
Wirex62FintechLondon, United Kingdom$15.0MOpen source
- STStackOne62AILondon, United Kingdom$23.6M
Open source
- TOTonic.ai62AISan Francisco, United States$43.0M
Open source
Basis Theory62FintechMill Valley, United States$50.0MOpen source
Akeneo62Product Information ManagementNantes, France$181.5MOpen source
Dune Analytics62FintechOslo, Norway$79.4MOpen source
Ox Security62EnterpriseBoston, United States$154.0MOpen source
Continue61AISan Francisco, United States$70.1MOpen source
Addepar61FintechNew York City, United States$412.1MOpen source
- NANasuni61SaaSBoston, United States$219.0M
Open source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Dataiku60Artificial IntelligenceNew York, United States$200.0MOpen source
Mollie60FintechAmsterdam, Netherlands$870.0MOpen source
JetBrains60Software DevelopmentPrague, Czech RepublicOpen source
Trainline59Travel TechLondon, United Kingdom$870.0MOpen source
World58BlockchainSan Francisco, United States$140.0MOpen source
Altana58AINew York, United States$200.0MOpen source
- GRGretel AI58Artificial IntelligenceSan Diego, United States$65.5M
Open source
Axiom Quant58Artificial IntelligenceSan Francisco, United States$264.0MOpen source
- ESEssential AI58AISan Francisco, United States$239.8M
Open source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 73 |
| 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 |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 |
| Chainalysis | Fintech | Open source | New York, United States | $170.0M | 67 |
| XMTP | AI | Open source | San Francisco, United States | $49.9M | 63 |
| Afterpay | Fintech | Open source | Melbourne, Australia | $1.0B | 61 |
| Shift4 Europe | Fintech | Open source | Allentown, United States | $160.0M | 61 |
| Fair Isaac Corporation (FICO) | Financial Services | Open source | Bozeman, United States | — | 60 |
| Iyzico | Fintech | Open source | Istanbul, Turkey | $30.6M | 58 |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 |
| Crossmint | Fintech | Open source | Miami, United States | $23.6M | 54 |
| MOSTLY AI | AI | Open source | Vienna, Austria | $25.0M | 49 |
| Glide Identity | Cybersecurity | Open source | San Francisco, United States | $25.0M | 45 |
| t54 Labs | AI | Open source | Dublin, United States | $5.0M | 41 |
| xpay | Fintech | Open source | Bengaluru, India | — | 28 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| x402 | Fintech | Open source | San Francisco, United States | — | 10 |
| x402station | AI | Open source | San Francisco, United States | — | 4 |
| AGAgentic Commerce Protocol (ACP) | AI | Open source · Self-hostable | San Francisco, United States | — | 3 |
| Traditional Payment Gateways (Stripe, PayPal) | Fintech | Open source | San Francisco, United States | — | 2 |
| Universal Commerce Protocol (UCP) | Fintech | Open source | Mountain View, United States | — | 1 |
| Velocitypay | Fintech | Open source | — | — | — |
| ElevenLabs | AI | Open source | London, United Kingdom | $1.6B | 79 |
| Alchemy | Blockchain | Open source | San Francisco, United States | $450.0M | 76 |
| Hugging Face | AI | Open source · Self-hostable | New York, United States | $395.2M | 76 |
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 |
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 |
| UPUpvest | Fintech | Open source | Berlin, Germany | $392.0M | 69 |
| VEVeeva Systems | SaaS | Open source | Pleasanton, United States | $7.0M | 67 |
| Phantom | Fintech | Open source | San Francisco, United States | $268.0M | 66 |
| Zendesk | Customer Service | Open source | San Francisco, United States | $500K | 65 |
| Mercury | Fintech | Open source | San Francisco, United States | $500.0M | 64 |
| Rewire | Fintech | Open source | Tel Aviv, Israel | $57.0M | 63 |
| QDQdrant | Artificial Intelligence | Open source · Self-hostable | Berlin, Germany | $87.5M | 63 |
| UPUpstash | SaaS | Open source | San Jose, United States | $11.9M | 62 |
| Wirex | Fintech | Open source | London, United Kingdom | $15.0M | 62 |
| STStackOne | AI | Open source | London, United Kingdom | $23.6M | 62 |
| TOTonic.ai | AI | Open source | San Francisco, United States | $43.0M | 62 |
| Basis Theory | Fintech | Open source | Mill Valley, United States | $50.0M | 62 |
| Akeneo | Product Information Management | Open source | Nantes, France | $181.5M | 62 |
| Dune Analytics | Fintech | Open source | Oslo, Norway | $79.4M | 62 |
| Ox Security | Enterprise | Open source | Boston, United States | $154.0M | 62 |
| Continue | AI | Open source | San Francisco, United States | $70.1M | 61 |
| Addepar | Fintech | Open source | New York City, United States | $412.1M | 61 |
| NANasuni | SaaS | Open source | Boston, United States | $219.0M | 61 |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 |
| Dataiku | Artificial Intelligence | Open source | New York, United States | $200.0M | 60 |
| Mollie | Fintech | Open source | Amsterdam, Netherlands | $870.0M | 60 |
| JetBrains | Software Development | Open source | Prague, Czech Republic | — | 60 |
| Trainline | Travel Tech | Open source | London, United Kingdom | $870.0M | 59 |
| World | Blockchain | Open source | San Francisco, United States | $140.0M | 58 |
| Altana | AI | Open source | New York, United States | $200.0M | 58 |
| GRGretel AI | Artificial Intelligence | Open source | San Diego, United States | $65.5M | 58 |
| Axiom Quant | Artificial Intelligence | Open source | San Francisco, United States | $264.0M | 58 |
| ESEssential AI | AI | Open source | San Francisco, United States | $239.8M | 58 |