Open source focus
Open Source Alternatives to Attractiveapi
60 open source API Platform options similar to Attractiveapi, 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.
Postman78API DevelopmentSan Francisco, United StatesOpen source
Blink41Agentic AISan Francisco, United StatesOpen source
- APapilayer10API PlatformVienna, Austria
Open source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
OneSignal61Customer Engagement PlatformSan Mateo, United States$57.0MOpen source
Liblab58Developer ToolsAustin, United States$42.0MOpen source · Self-hostable
Pipedream56Workflow AutomationSan Francisco, United States$55.0MOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
OctoParse54Data ExtractionWalnut, United States$15.4MOpen source
Lambdatest India Private Limited53MLOpsSan Francisco, United StatesOpen source
bolt.new49AI Coding AssistantSan Francisco, United StatesOpen source
Runware46AI InfrastructureSan Francisco, United States$66.0MOpen source
Apideck46API PlatformUnknown, UnknownOpen source
Base4444No CodeTel Aviv, IsraelOpen source
Meshes39MLOpsTel Aviv, Israel$1.0MOpen source
Magick AI28Agentic AIOpen source
xpay28FintechBengaluru, IndiaOpen source
Kantu26Workflow AutomationOpen source · Self-hostable
Platformaos17Headless CMSTel Aviv, IsraelOpen source
LLMStack15Agentic AIOpen source · Self-hostable
Integuru13API PlatformOpen source
- INIntegrateapi10Developer ToolsSan Francisco, United States
Open source
kuafuai8Agentic AIBeijing, ChinaOpen source
SivdevAgentic AITel Aviv, IsraelOpen source
- SheafData PlatformMaidenhead, England
Open source
ClerkzAuthenticationSan Francisco, United StatesOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Polygon81BlockchainMumbai, India$400.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Grafana Cloud74ObservabilityNew York, United States$2.1BOpen source · Self-hostable
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
Airbyte71Data IntegrationSan Francisco, United States$181.0MOpen source · Self-hostable
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
Netlify69Cloud ComputingSan Francisco, United States$202.1MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
Tecton, Inc.67MLOpsSan Francisco, United States$257.0MOpen source
YugabyteDB67DatabaseSunnyvale, United States$266.0MOpen source · Self-hostable
Alpaca67FintechNew York, United States$202.0MOpen source
Sourcegraph (Cody)66AI Coding AssistantSan Francisco, United States$301.0MOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Firebolt65Cloud Data WarehousePalo Alto, United States$269.0MOpen source
npm65Developer ToolsOakland, USA$10.6MOpen source · Self-hostable
cubic65Supply ChainTel Aviv, IsraelOpen source
Firecrawl65Agentic AISan Francisco, United States$29.0MOpen source
Qodo64AI Coding AssistantTel Aviv, Israel$1.5MOpen source
Resend64Developer ToolsSan Francisco, United States$21.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Postman | API Development | Open source | San Francisco, United States | — | 78 | |
| Blink | Agentic AI | Open source | San Francisco, United States | — | 41 | |
| APapilayer | API Platform | Open source | Vienna, Austria | — | 10 | |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 | |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| OneSignal | Customer Engagement Platform | Open source | San Mateo, United States | $57.0M | 61 | |
| Liblab | Developer Tools | Open source · Self-hostable | Austin, United States | $42.0M | 58 | |
| Pipedream | Workflow Automation | Open source | San Francisco, United States | $55.0M | 56 | |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 | |
| OctoParse | Data Extraction | Open source | Walnut, United States | $15.4M | 54 | |
| Lambdatest India Private Limited | MLOps | Open source | San Francisco, United States | — | 53 | |
| bolt.new | AI Coding Assistant | Open source | San Francisco, United States | — | 49 | |
| Runware | AI Infrastructure | Open source | San Francisco, United States | $66.0M | 46 | |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 | |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 44 | |
| Meshes | MLOps | Open source | Tel Aviv, Israel | $1.0M | 39 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| xpay | Fintech | Open source | Bengaluru, India | — | 28 | |
| Kantu | Workflow Automation | Open source · Self-hostable | — | — | 26 | |
| Platformaos | Headless CMS | Open source | Tel Aviv, Israel | — | 17 | |
| LLMStack | Agentic AI | Open source · Self-hostable | — | — | 15 | |
| Integuru | API Platform | Open source | — | — | 13 | |
| INIntegrateapi | Developer Tools | Open source | San Francisco, United States | — | 10 | |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 | |
| Sivdev | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Data Platform | Open source | Maidenhead, England | — | — | ||
| Clerkz | Authentication | Open source | San Francisco, United States | — | — | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Polygon | Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| 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 | |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 | |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| Grafana Cloud | Observability | Open source · Self-hostable | New York, United States | $2.1B | 74 | |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 | |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 | |
| Airbyte | Data Integration | Open source · Self-hostable | San Francisco, United States | $181.0M | 71 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | ||
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 | |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 | |
| Netlify | Cloud Computing | Open source | San Francisco, United States | $202.1M | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 | |
| Tecton, Inc. | MLOps | Open source | San Francisco, United States | $257.0M | 67 | |
| YugabyteDB | Database | Open source · Self-hostable | Sunnyvale, United States | $266.0M | 67 | |
| Alpaca | Fintech | Open source | New York, United States | $202.0M | 67 | |
| Sourcegraph (Cody) | AI Coding Assistant | Open source | San Francisco, United States | $301.0M | 66 | |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 | |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Firebolt | Cloud Data Warehouse | Open source | Palo Alto, United States | $269.0M | 65 | |
| npm | Developer Tools | Open source · Self-hostable | Oakland, USA | $10.6M | 65 | |
| cubic | Supply Chain | Open source | Tel Aviv, Israel | — | 65 | |
| Firecrawl | Agentic AI | Open source | San Francisco, United States | $29.0M | 65 | |
| Qodo | AI Coding Assistant | Open source | Tel Aviv, Israel | $1.5M | 64 | |
| Resend | Developer Tools | Open source | San Francisco, United States | $21.0M | 64 |