Open source focus
Open Source Alternatives to Sigmastack
60 open source AI Infrastructure options similar to Sigmastack, 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.
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Bayouops4Cloud InfrastructureHouston, United StatesOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
Dash058ObservabilitySan Francisco, United States$147.2MOpen source
Robusta Dev55DevelopmentTel Aviv, IsraelOpen source · Self-hostable
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Runhouse52EnterpriseSan Francisco, United States$4.9MOpen source
Apache Airflow19MLOpsOpen source · Self-hostable
Joeyydevops19MLOpsOpen source
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
Comet ML62MLOpsNew York, United States$69.8MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
OpsMill55Artificial IntelligencePalo Alto, USA$26.0MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Bauplanlabs49MLOpsSan Francisco, United StatesOpen source
Runpod49AI InfrastructureNew York, United StatesOpen source
Inngest Inc.48Developer ToolsSan Francisco, United States$5.0MOpen source
MLflow45MLOpsSeattle, United StatesOpen source · Self-hostable
Hycos AI15EnterpriseOpen source
- MAMaige13Open Source
Open source · Self-hostable
IntuitioObservabilityOpen source
- GRGrafana Labs80ObservabilityNew York, United States
Open source · Self-hostable
Postman78API DevelopmentSan Francisco, United StatesOpen source
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Netlify69Developer ToolsSan Francisco, United States$202.1MOpen source
Weights & Biases66AI InfrastructureSan Francisco, United StatesOpen source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
ClearML64AutoMLTel Aviv, Israel$11.0MOpen source · Self-hostable
Cast AI63MLOpsTel Aviv, Israel$44.0MOpen source
Domino Data Lab, Inc.63AI GovernanceNew York, United States$100.5MOpen source
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MOpen source · Self-hostable
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Overops59EnterpriseSan Francisco, United States$49.5MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Stainless57Developer ToolsOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
- AGAgentDesk / BrowserTools54Recruitment Tech$17.0M
Open source
DVC54MLOpsSan Francisco, United States$154.0MOpen source · Self-hostable
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
PurpleOps54FinOpsSan Francisco, United StatesOpen source
Lean54MLOpsSan Francisco, United StatesOpen source
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
MetalBear54Software DevelopmentSan Francisco, United States$12.5MOpen source · Self-hostable
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Bayouops | Cloud Infrastructure | Open source | Houston, United States | — | 4 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| Dash0 | Observability | Open source | San Francisco, United States | $147.2M | 58 |
| Robusta Dev | Development | Open source · Self-hostable | Tel Aviv, Israel | — | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Runhouse | Enterprise | Open source | San Francisco, United States | $4.9M | 52 |
| Apache Airflow | MLOps | Open source · Self-hostable | — | — | 19 |
| Joeyydevops | MLOps | Open source | — | — | 19 |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| OpsMill | Artificial Intelligence | Open source | Palo Alto, USA | $26.0M | 55 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| Bauplanlabs | MLOps | Open source | San Francisco, United States | — | 49 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 49 |
| Inngest Inc. | Developer Tools | Open source | San Francisco, United States | $5.0M | 48 |
| MLflow | MLOps | Open source · Self-hostable | Seattle, United States | — | 45 |
| Hycos AI | Enterprise | Open source | — | — | 15 |
| MAMaige | Open Source | Open source · Self-hostable | — | — | 13 |
| Intuitio | Observability | Open source | — | — | — |
| GRGrafana Labs | Observability | Open source · Self-hostable | New York, United States | — | 80 |
| Postman | API Development | Open source | San Francisco, United States | — | 78 |
| 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 |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 |
| Netlify | Developer Tools | Open source | San Francisco, United States | $202.1M | 69 |
| Weights & Biases | AI Infrastructure | Open source | San Francisco, United States | — | 66 |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 |
| ClearML | AutoML | Open source · Self-hostable | Tel Aviv, Israel | $11.0M | 64 |
| Cast AI | MLOps | Open source | Tel Aviv, Israel | $44.0M | 63 |
| Domino Data Lab, Inc. | AI Governance | Open source | New York, United States | $100.5M | 63 |
| Trigger Device Inc | AI Agents | Open source · Self-hostable | London, United Kingdom | $16.5M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Replicate | AI Infrastructure | Open source | San Francisco, United States | — | 60 |
| Overops | Enterprise | Open source | San Francisco, United States | $49.5M | 59 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| Stainless | Developer Tools | Open source | — | — | 57 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| AGAgentDesk / BrowserTools | Recruitment Tech | Open source | — | $17.0M | 54 |
| DVC | MLOps | Open source · Self-hostable | San Francisco, United States | $154.0M | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| PurpleOps | FinOps | Open source | San Francisco, United States | — | 54 |
| Lean | MLOps | Open source | San Francisco, United States | — | 54 |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 |
| MetalBear | Software Development | Open source · Self-hostable | San Francisco, United States | $12.5M | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 54 |