Open source focus
QuantConnect is open source
Open Source Alternatives to QuantConnect
60 open source Fintech options similar to QuantConnect, 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.
Alpaca67FintechNew York, United States$202.0MOpen source
Agent Hustle7FintechTel Aviv, IsraelOpen source
FxframeworkFintechLondon, United KingdomOpen source
OpenalgoAlgorithmic TradingOpen source
BacktestxFintechOpen source
tydal15Software DevelopmentTel Aviv, IsraelOpen source
ConvexpiFintechOpen source
- Agentx402Agentic AISan Francisco, United States
Open source
QuantlendFintechOpen source
Forter85FintechNew York, United States$550.0MOpen source
eToro85FintechLimassol, Cyprus$524.0MOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Postman78API DevelopmentSan Francisco, United StatesOpen source
GitHub77Developer ToolsSan Francisco, United States$100.0MOpen source · Self-hostable
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Plaid74FintechSan Francisco, United States$734.3MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
Razorpay73FintechBengaluru, IndiaOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source · Self-hostable
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Netlify69Developer ToolsSan Francisco, United States$202.1MOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
npm65Developer ToolsOakland, USA$10.6MOpen source · Self-hostable
ABLY63Realtime CommunicationLondon, United Kingdom$88.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Monad Labs62BlockchainNew York, United States$266.0MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
Shufti Pro61Identity VerificationLondon, United Kingdom$21.0MOpen source
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Appwrite61EnterpriseSan Francisco, United States$37.0MOpen source · Self-hostable
Antimetal60Infrastructure AutomationNew York, United States$24.3MOpen source
Hyperbolic60Agent HostingSan Francisco, United States$19.7MOpen source
OpenGamma60FintechLondon, United Kingdom$10.0MOpen source
Finch59FintechSan Francisco, United StatesOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Skyflow58Data PrivacyPalo Alto, United States$100.0MOpen source
Dash058ObservabilitySan Francisco, United States$147.2MOpen source
Ownera58BlockchainTel Aviv, Israel$20.0MOpen source · Self-hostable
April57FintechNew York, United States$78.0MOpen source
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
RevenueCat57FintechSan Francisco, United States$50.0MOpen source
Paid57Agentic AISan Francisco, United States$21.0MOpen source
Catena Labs56Agentic AISan Francisco, United States$36.0MOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Cajal55B2BSan Francisco, United States$4.5MOpen source
Robusta Dev55DevelopmentTel Aviv, IsraelOpen source · Self-hostable
- SASapiom55Agentic AISan Francisco, United States$15.8M
Open source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
OpenOps55EnterpriseSan Francisco, United States$125KOpen source · Self-hostable
BasisTheory55FintechSan Francisco, United States$17.0MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Connext54Fintech$12.0MOpen source
- RARated Labs54Web3London, United Kingdom$2.5M
Open source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Alpaca | Fintech | Open source | New York, United States | $202.0M | 67 |
| Agent Hustle | Fintech | Open source | Tel Aviv, Israel | — | 7 |
| Fxframework | Fintech | Open source | London, United Kingdom | — | — |
| Openalgo | Algorithmic Trading | Open source | — | — | — |
| Backtestx | Fintech | Open source | — | — | — |
| tydal | Software Development | Open source | Tel Aviv, Israel | — | 15 |
| Convexpi | Fintech | Open source | — | — | — |
| Agentic AI | Open source | San Francisco, United States | — | — | |
| Quantlend | Fintech | Open source | — | — | — |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 |
| Postman | API Development | Open source | San Francisco, United States | — | 78 |
| GitHub | Developer Tools | Open source · Self-hostable | San Francisco, United States | $100.0M | 77 |
| TestMu AI (Formerly LambdaTest) | MLOps | Open source | San Francisco, United States | $121 | 77 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 |
| Netlify | Developer Tools | Open source | San Francisco, United States | $202.1M | 69 |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 |
| npm | Developer Tools | Open source · Self-hostable | Oakland, USA | $10.6M | 65 |
| ABLY | Realtime Communication | Open source | London, United Kingdom | $88.0M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Monad Labs | Blockchain | Open source | New York, United States | $266.0M | 62 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| Shufti Pro | Identity Verification | Open source | London, United Kingdom | $21.0M | 61 |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Appwrite | Enterprise | Open source · Self-hostable | San Francisco, United States | $37.0M | 61 |
| Antimetal | Infrastructure Automation | Open source | New York, United States | $24.3M | 60 |
| Hyperbolic | Agent Hosting | Open source | San Francisco, United States | $19.7M | 60 |
| OpenGamma | Fintech | Open source | London, United Kingdom | $10.0M | 60 |
| Finch | Fintech | Open source | San Francisco, United States | — | 59 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| Skyflow | Data Privacy | Open source | Palo Alto, United States | $100.0M | 58 |
| Dash0 | Observability | Open source | San Francisco, United States | $147.2M | 58 |
| Ownera | Blockchain | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 58 |
| April | Fintech | Open source | New York, United States | $78.0M | 57 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| RevenueCat | Fintech | Open source | San Francisco, United States | $50.0M | 57 |
| Paid | Agentic AI | Open source | San Francisco, United States | $21.0M | 57 |
| Catena Labs | Agentic AI | Open source | San Francisco, United States | $36.0M | 56 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Cajal | B2B | Open source | San Francisco, United States | $4.5M | 55 |
| Robusta Dev | Development | Open source · Self-hostable | Tel Aviv, Israel | — | 55 |
| SASapiom | Agentic AI | Open source | San Francisco, United States | $15.8M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| OpenOps | Enterprise | Open source · Self-hostable | San Francisco, United States | $125K | 55 |
| BasisTheory | Fintech | Open source | San Francisco, United States | $17.0M | 55 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Connext | Fintech | Open source | — | $12.0M | 54 |
| RARated Labs | Web3 | Open source | London, United Kingdom | $2.5M | 54 |