Open source focus
Open Source Alternatives to Stacks
60 open source Fintech options similar to Stacks, 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.
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
eToro85FintechLimassol, Cyprus$524.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
Orion Advisor Solutions67FintechOmaha, United States$223.0MOpen source
VTEX Commerce Platform64E-commerceRio de Janeiro, Brazil$445.0MOpen source
Credible62FintechSan Francisco, United StatesOpen source
Antimetal60Infrastructure AutomationNew York, United States$24.3MOpen source
Iyzico58FintechIstanbul, Turkey$30.6MOpen source
Ownera58BlockchainTel Aviv, Israel$20.0MOpen source · Self-hostable
Compass57Real EstateNew York, United States$1.1BOpen source
Decentriq55CybersecurityZurich, Switzerland$23.8MOpen source
LeaseAccelerator55Enterprise SoftwareAtlanta, United States$90.0MOpen source
ICME54FintechNew York, United StatesOpen source
CrowdProperty53FintechSolihull, United Kingdom$15.0MOpen source
OpenOps53EnterpriseSan Francisco, United States$125KOpen source · Self-hostable
Origin Protocol51Web3San Francisco, United States$88.0MOpen source
Kima50BlockchainTel Aviv, Israel$6.7MOpen source
- KEKeeta Network48BlockchainSanta Monica, United States$34.0M
Open source
Collos48Climate TechBoston, United States$1.1MOpen source
Gringo48FintechSão Paulo, BrazilOpen source
OpenLaw48LegalTechNew York, United States$6.8MOpen source
io.finnet47FintechTel Aviv, IsraelOpen source
Bluprynt47FintechNew York, United States$6.0MOpen source
Turnkey43Real Estate TechNew York, United States$30.0MOpen source
T-REX42FintechNew York, United States$52.0MOpen source
Shapeshift Labs39FintechDenver, United StatesOpen source
Qanta.ai38Fintech$1.0MOpen source
giniX38Generative AITel Aviv, IsraelOpen source
Lava Payments36FintechLondon, United Kingdom$7.8MOpen source
Profitshare36FintechTel Aviv, IsraelOpen source
Astrasafe35AI Governance$1.5MOpen source
Arrakis Finance34FintechOpen source
Letscomply32Compliance Automation$1.5MOpen source
finitiOne27Loyalty ProgramsOpen source
Credible Labs21Fintechירושלים, IsraelOpen source
Upsonic19Developer ToolsLondon, United KingdomOpen source · Self-hostable
Marssian17FintechOpen source
Orminel17FintechOpen source
Hycos AI15EnterpriseOpen source
PayAI15FintechOpen source
Forgemesh11API PlatformOpen source
MCP.so10Developer ToolsOpen source · Self-hostable
- 0X0xWork10Web3
Open source
Curiotrader8Agentic AIOpen source
Mimrix8AI Coding AssistantOpen source
VeritasforgeBlockchainLondon, EnglandOpen source
4micaAgentic AIOpen source
NvoicedFintechOpen source
ERPCXERP ConsultingOpen source
AntennafundsFintechOpen source
JapaneseonchainWeb3Open source
MinhyeokFintechOpen source
arnipayFintechAsunción, ParaguayOpen source
MarginsafeFintechOpen source
OpenkmsFintechOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 | |
| Orion Advisor Solutions | Fintech | Open source | Omaha, United States | $223.0M | 67 | |
| VTEX Commerce Platform | E-commerce | Open source | Rio de Janeiro, Brazil | $445.0M | 64 | |
| Credible | Fintech | Open source | San Francisco, United States | — | 62 | |
| Antimetal | Infrastructure Automation | Open source | New York, United States | $24.3M | 60 | |
| Iyzico | Fintech | Open source | Istanbul, Turkey | $30.6M | 58 | |
| Ownera | Blockchain | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 58 | |
| Compass | Real Estate | Open source | New York, United States | $1.1B | 57 | |
| Decentriq | Cybersecurity | Open source | Zurich, Switzerland | $23.8M | 55 | |
| LeaseAccelerator | Enterprise Software | Open source | Atlanta, United States | $90.0M | 55 | |
| ICME | Fintech | Open source | New York, United States | — | 54 | |
| CrowdProperty | Fintech | Open source | Solihull, United Kingdom | $15.0M | 53 | |
| OpenOps | Enterprise | Open source · Self-hostable | San Francisco, United States | $125K | 53 | |
| Origin Protocol | Web3 | Open source | San Francisco, United States | $88.0M | 51 | |
| Kima | Blockchain | Open source | Tel Aviv, Israel | $6.7M | 50 | |
| KEKeeta Network | Blockchain | Open source | Santa Monica, United States | $34.0M | 48 | |
| Collos | Climate Tech | Open source | Boston, United States | $1.1M | 48 | |
| Gringo | Fintech | Open source | São Paulo, Brazil | — | 48 | |
| OpenLaw | LegalTech | Open source | New York, United States | $6.8M | 48 | |
| io.finnet | Fintech | Open source | Tel Aviv, Israel | — | 47 | |
| Bluprynt | Fintech | Open source | New York, United States | $6.0M | 47 | |
| Turnkey | Real Estate Tech | Open source | New York, United States | $30.0M | 43 | |
| T-REX | Fintech | Open source | New York, United States | $52.0M | 42 | |
| Shapeshift Labs | Fintech | Open source | Denver, United States | — | 39 | |
| Qanta.ai | Fintech | Open source | — | $1.0M | 38 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 38 | |
| Lava Payments | Fintech | Open source | London, United Kingdom | $7.8M | 36 | |
| Profitshare | Fintech | Open source | Tel Aviv, Israel | — | 36 | |
| Astrasafe | AI Governance | Open source | — | $1.5M | 35 | |
| Arrakis Finance | Fintech | Open source | — | — | 34 | |
| Letscomply | Compliance Automation | Open source | — | $1.5M | 32 | |
| finitiOne | Loyalty Programs | Open source | — | — | 27 | |
| Credible Labs | Fintech | Open source | ירושלים, Israel | — | 21 | |
| Upsonic | Developer Tools | Open source · Self-hostable | London, United Kingdom | — | 19 | |
| Marssian | Fintech | Open source | — | — | 17 | |
| Orminel | Fintech | Open source | — | — | 17 | |
| Hycos AI | Enterprise | Open source | — | — | 15 | |
| PayAI | Fintech | Open source | — | — | 15 | |
| Forgemesh | API Platform | Open source | — | — | 11 | |
| MCP.so | Developer Tools | Open source · Self-hostable | — | — | 10 | |
| 0X0xWork | Web3 | Open source | — | — | 10 | |
| Curiotrader | Agentic AI | Open source | — | — | 8 | |
| Mimrix | AI Coding Assistant | Open source | — | — | 8 | |
| Veritasforge | Blockchain | Open source | London, England | — | — | |
| 4mica | Agentic AI | Open source | — | — | — | |
| Nvoiced | Fintech | Open source | — | — | — | |
| ERPCX | ERP Consulting | Open source | — | — | — | |
| Antennafunds | Fintech | Open source | — | — | — | |
| Japaneseonchain | Web3 | Open source | — | — | — | |
| Minhyeok | Fintech | Open source | — | — | — | |
| arnipay | Fintech | Open source | Asunción, Paraguay | — | — | |
| Marginsafe | Fintech | Open source | — | — | — | |
| Openkms | Fintech | Open source | — | — | — |