Open source focus
Open Source Alternatives to Pulsar
60 open source AI Tools & Apps options similar to Pulsar, 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.
Databricks82Data AnalyticsSan Francisco, United States$31.7BOpen source · Self-hostable
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
Eden AI40API PlatformParis, FranceOpen source
Peerreviewai18AI InfrastructureOpen source
LlamaAi (DefiLlama)10FintechOpen source
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
Algorythms8AI Tools & AppsOpen source
Deep427Market IntelligenceOpen source
Amadeusbio6BiotechOpen source
RadarforgeSynthetic Data GenerationTel Aviv, IsraelOpen source
AioptogeneticsNeurotech & HCITel Aviv, IsraelOpen source
RevutateCustomer Feedback AnalysisTel Aviv, IsraelOpen source
CintriusDocument AIOpen source
Cyntra AiGenerative AITel Aviv, IsraelOpen source
Local MindAI Tools & AppsOpen source
Loop IqAI Tools & AppsOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
DeepSeek AI70AI InfrastructureBeijing, ChinaOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Weights & Biases66AI InfrastructureSan Francisco, United StatesOpen source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Hyperstack62GPU-as-a-ServiceLondon, United KingdomOpen source
Normal Computing62Artificial IntelligenceNew York, United States$50.0MOpen source
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4MOpen source
Rockset61Real-time AnalyticsSan Mateo, United States$44.0MOpen source
Kinetica AI61Data AnalyticsSan Francisco, United States$240.0MOpen source
Stable Diffusion61Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
fal AI61Generative AISan Francisco, United States$20.0MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Hyperbolic60Agent HostingSan Francisco, United States$19.7MOpen source
Weaviate60Vector DatabaseAmsterdam, NetherlandsOpen source
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Warp59AI Tools & AppsSan Francisco, United States$60.0MOpen source
Overops59EnterpriseSan Francisco, United States$49.5MOpen source
AA-I Technologies58Frontier AI LabSan Francisco, United States$20.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
Julius AI55Analytics PlatformSan Francisco, United States$20.5MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
Dessn55Artificial IntelligenceLondon, United Kingdom$5.0MOpen source
Tot54Creative OperationsNew York, United States$7.6MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Nevona54Generative AISan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Databricks | Data Analytics | Open source · Self-hostable | San Francisco, United States | $31.7B | 82 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |
| Eden AI | API Platform | Open source | Paris, France | — | 40 |
| Peerreviewai | AI Infrastructure | Open source | — | — | 18 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| Algorythms | AI Tools & Apps | Open source | — | — | 8 |
| Deep42 | Market Intelligence | Open source | — | — | 7 |
| Amadeusbio | Biotech | Open source | — | — | 6 |
| Radarforge | Synthetic Data Generation | Open source | Tel Aviv, Israel | — | — |
| Aioptogenetics | Neurotech & HCI | Open source | Tel Aviv, Israel | — | — |
| Revutate | Customer Feedback Analysis | Open source | Tel Aviv, Israel | — | — |
| Cintrius | Document AI | Open source | — | — | — |
| Cyntra Ai | Generative AI | Open source | Tel Aviv, Israel | — | — |
| Local Mind | AI Tools & Apps | Open source | — | — | — |
| Loop Iq | AI Tools & Apps | Open source | — | — | — |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 |
| 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 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | — | 70 |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| Weights & Biases | AI Infrastructure | Open source | San Francisco, United States | — | 66 |
| 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 |
| Hyperstack | GPU-as-a-Service | Open source | London, United Kingdom | — | 62 |
| Normal Computing | Artificial Intelligence | Open source | New York, United States | $50.0M | 62 |
| Rasa Technologies GmbH | Conversational AI | Open source | San Francisco, United States | $73.4M | 62 |
| Rockset | Real-time Analytics | Open source | San Mateo, United States | $44.0M | 61 |
| Kinetica AI | Data Analytics | Open source | San Francisco, United States | $240.0M | 61 |
| Stable Diffusion | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 61 |
| fal AI | Generative AI | Open source | San Francisco, United States | $20.0M | 61 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Hyperbolic | Agent Hosting | Open source | San Francisco, United States | $19.7M | 60 |
| Weaviate | Vector Database | Open source | Amsterdam, Netherlands | — | 60 |
| Replicate | AI Infrastructure | Open source | San Francisco, United States | — | 60 |
| Warp | AI Tools & Apps | Open source | San Francisco, United States | $60.0M | 59 |
| Overops | Enterprise | Open source | San Francisco, United States | $49.5M | 59 |
| AA-I Technologies | Frontier AI Lab | Open source | San Francisco, United States | $20.0M | 58 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 |
| Julius AI | Analytics Platform | Open source | San Francisco, United States | $20.5M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| Dessn | Artificial Intelligence | Open source | London, United Kingdom | $5.0M | 55 |
| Tot | Creative Operations | Open source | New York, United States | $7.6M | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Nevona | Generative AI | Open source | San Francisco, United States | — | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |