Open source focus
Open Source Alternatives to 0mcp
60 open source API Platform options similar to 0mcp, 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
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
ABLY63Realtime CommunicationLondon, United Kingdom$88.0MOpen source
Appwrite61EnterpriseSan Francisco, United States$37.0MOpen source · Self-hostable
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
BreezoMeter54Weather$42.9MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Lambdatest India Private Limited53MLOpsSan Francisco, United StatesOpen source
D-Wave51Quantum ComputingBurnaby, CanadaOpen source
Inngest Inc.48Developer ToolsSan Francisco, United States$5.0MOpen source
Bitloops45Developer ToolsAthens, Greece$1.5MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Responsive40EnterpriseSan Francisco, United StatesOpen source · Self-hostable
Apigee25API PlatformSan Jose, United States$196.5MOpen source
Camunda Pte. Limited18Workflow AutomationBerlin, GermanyOpen source · Self-hostable
Browserless12Web AutomationCamden, United StatesOpen source
Bayouops4Cloud InfrastructureHouston, United StatesOpen source
- GetocOpen Source
Open source · Self-hostable
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
GitHub77Developer ToolsSan Francisco, United States$100.0MOpen source · Self-hostable
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Neon72DatabaseSan Francisco, United States$1.2BOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen 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
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Tecton, Inc.67MLOpsSan Francisco, United States$257.0MOpen source
YugabyteDB67DatabaseSunnyvale, United States$266.0MOpen source · Self-hostable
ScyllaDB66DatabasePalo Alto, United States$101.0MOpen source · Self-hostable
npm65Developer ToolsOakland, USA$10.6MOpen source · Self-hostable
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Vultr63NeocloudHerndon, United States$662.0MOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
DragonflyDB62DatabaseTel Aviv, Israel$21.0MOpen source · Self-hostable
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Stytch61AuthenticationSan Francisco, USA$127.0MOpen source
Sourcegraph61Developer ToolsSan Francisco, United States$218.0MOpen source
Codefresh61EnterpriseBrisbane, Australia$42.0MOpen source · Self-hostable
Applitools61EnterpriseSan Mateo, United States$41.5MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
Dash058ObservabilitySan Francisco, United States$147.2MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
pgEdge, Inc.58DatabaseSan Francisco, United States$24.0MOpen source · Self-hostable
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
BotCity57RPASão Paulo, Brazil$16.5MOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Checksum55Test AutomationSan Francisco, United StatesOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Diffblue55AI Coding AssistantOxford, United KingdomOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
Robusta Dev55DevelopmentTel Aviv, IsraelOpen source · Self-hostable
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
WireMock54Enterprise$6.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Postman | API Development | Open source | San Francisco, United States | — | 78 |
| TestMu AI (Formerly LambdaTest) | MLOps | Open source | San Francisco, United States | $121 | 77 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| ABLY | Realtime Communication | Open source | London, United Kingdom | $88.0M | 63 |
| Appwrite | Enterprise | Open source · Self-hostable | San Francisco, United States | $37.0M | 61 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| BreezoMeter | Weather | Open source | — | $42.9M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Lambdatest India Private Limited | MLOps | Open source | San Francisco, United States | — | 53 |
| D-Wave | Quantum Computing | Open source | Burnaby, Canada | — | 51 |
| Inngest Inc. | Developer Tools | Open source | San Francisco, United States | $5.0M | 48 |
| Bitloops | Developer Tools | Open source | Athens, Greece | $1.5M | 45 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Responsive | Enterprise | Open source · Self-hostable | San Francisco, United States | — | 40 |
| Apigee | API Platform | Open source | San Jose, United States | $196.5M | 25 |
| Camunda Pte. Limited | Workflow Automation | Open source · Self-hostable | Berlin, Germany | — | 18 |
| Browserless | Web Automation | Open source | Camden, United States | — | 12 |
| Bayouops | Cloud Infrastructure | Open source | Houston, United States | — | 4 |
| Open Source | Open source · Self-hostable | — | — | — | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 |
| GitHub | Developer Tools | Open source · Self-hostable | San Francisco, United States | $100.0M | 77 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $880.2M | 75 |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 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 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Tecton, Inc. | MLOps | Open source | San Francisco, United States | $257.0M | 67 |
| YugabyteDB | Database | Open source · Self-hostable | Sunnyvale, United States | $266.0M | 67 |
| ScyllaDB | Database | Open source · Self-hostable | Palo Alto, United States | $101.0M | 66 |
| npm | Developer Tools | Open source · Self-hostable | Oakland, USA | $10.6M | 65 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| Vultr | Neocloud | Open source | Herndon, United States | $662.0M | 63 |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 |
| DragonflyDB | Database | Open source · Self-hostable | Tel Aviv, Israel | $21.0M | 62 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Stytch | Authentication | Open source | San Francisco, USA | $127.0M | 61 |
| Sourcegraph | Developer Tools | Open source | San Francisco, United States | $218.0M | 61 |
| Codefresh | Enterprise | Open source · Self-hostable | Brisbane, Australia | $42.0M | 61 |
| Applitools | Enterprise | Open source | San Mateo, United States | $41.5M | 61 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| Dash0 | Observability | Open source | San Francisco, United States | $147.2M | 58 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| pgEdge, Inc. | Database | Open source · Self-hostable | San Francisco, United States | $24.0M | 58 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| BotCity | RPA | Open source | São Paulo, Brazil | $16.5M | 57 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Checksum | Test Automation | Open source | San Francisco, United States | — | 55 |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 |
| Diffblue | AI Coding Assistant | Open source | Oxford, United Kingdom | — | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| Raycast | Productivity | Open source | London, United Kingdom | $17.7M | 55 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| Robusta Dev | Development | Open source · Self-hostable | Tel Aviv, Israel | — | 55 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| WireMock | Enterprise | Open source · Self-hostable | — | $6.5M | 54 |