Open source focus
Open Source Alternatives to Heykey
60 open source API Platform options similar to Heykey, 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.
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
- AGAgentDesk / BrowserTools54Recruitment Tech$17.0M
Open source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
Runhouse52EnterpriseSan Francisco, United States$4.9MOpen source
Runpod49AI InfrastructureNew York, United StatesOpen source
Qualifire32Generative AIOpen source
CRAB26Agentic AIOpen source · Self-hostable
Joeyydevops19MLOpsOpen source
Coworker.aiHR TechOpen source
- GRGrafana Labs80ObservabilityNew York, United States
Open source · Self-hostable
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Comet ML62MLOpsNew York, United States$69.8MOpen source
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
Checksum55Test AutomationSan Francisco, United StatesOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Aviator51MLOpsSan Francisco, United States$2.4MOpen source
Bauplanlabs49MLOpsSan Francisco, United StatesOpen source
Mona Labs48PlatformSan Francisco, United StatesOpen source
Inngest Inc.48Developer ToolsSan Francisco, United States$5.0MOpen source
Apideck46API PlatformUnknown, UnknownOpen source
Bubble Lab44Artificial IntelligenceOpen source · Self-hostable
Alpic44AI InfrastructureParis, France$12.0MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
JarvisLabs.ai43MLOpsSan Francisco, United StatesOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
OuterBounds Technologies, Inc.41MLOpsSan Francisco, United StatesOpen source
Eden AI40API PlatformParis, FranceOpen source
Comet AI40MLOpsNew York, United States$67.5MOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
Reshuffle37Agentic AISan Francisco, United StatesOpen source
- SOSource32AI InfrastructureSan Francisco, United States$24.0M
Open source · Self-hostable
Inference.net31AI InfrastructureSan Francisco, United States$14.1MOpen source
- Svitch26AI GovernanceSan Francisco, United States
Open source
Glama20Agentic AIOpen source
Apache Airflow19MLOpsOpen source · Self-hostable
- BABabyAGI18Agentic AI
Open source · Self-hostable
LLMStack15Agentic AIOpen source · Self-hostable
Hycos AI15EnterpriseOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| AGAgentDesk / BrowserTools | Recruitment Tech | Open source | — | $17.0M | 54 |
| 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 |
| Runhouse | Enterprise | Open source | San Francisco, United States | $4.9M | 52 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 49 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Joeyydevops | MLOps | Open source | — | — | 19 |
| Coworker.ai | HR Tech | Open source | — | — | — |
| GRGrafana Labs | Observability | Open source · Self-hostable | New York, United States | — | 80 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Replicate | AI Infrastructure | Open source | San Francisco, United States | — | 60 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| Checksum | Test Automation | Open source | San Francisco, United States | — | 55 |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Aviator | MLOps | Open source | San Francisco, United States | $2.4M | 51 |
| Bauplanlabs | MLOps | Open source | San Francisco, United States | — | 49 |
| Mona Labs | Platform | Open source | San Francisco, United States | — | 48 |
| Inngest Inc. | Developer Tools | Open source | San Francisco, United States | $5.0M | 48 |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 |
| Bubble Lab | Artificial Intelligence | Open source · Self-hostable | — | — | 44 |
| Alpic | AI Infrastructure | Open source | Paris, France | $12.0M | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| JarvisLabs.ai | MLOps | Open source | San Francisco, United States | — | 43 |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| OuterBounds Technologies, Inc. | MLOps | Open source | San Francisco, United States | — | 41 |
| Eden AI | API Platform | Open source | Paris, France | — | 40 |
| Comet AI | MLOps | Open source | New York, United States | $67.5M | 40 |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 |
| Reshuffle | Agentic AI | Open source | San Francisco, United States | — | 37 |
| SOSource | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $24.0M | 32 |
| Inference.net | AI Infrastructure | Open source | San Francisco, United States | $14.1M | 31 |
| AI Governance | Open source | San Francisco, United States | — | 26 | |
| Glama | Agentic AI | Open source | — | — | 20 |
| Apache Airflow | MLOps | Open source · Self-hostable | — | — | 19 |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 |
| LLMStack | Agentic AI | Open source · Self-hostable | — | — | 15 |
| Hycos AI | Enterprise | Open source | — | — | 15 |