Open source focus
Open Source Alternatives to Darrow
60 open source Legal options similar to Darrow, 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.
Romulous35Agentic AISan Francisco, United StatesOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Qualifire32Generative AIOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
RecursiveMAS27Agentic AITel Aviv, Israel$1.5MOpen source
CRAB26Agentic AIOpen source · Self-hostable
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Langbase20Agentic AISan Francisco, United StatesOpen source
ClauderizerAI Coding AssistantOpen source
- EtymoltAgentic AI
Open source
JanuslabAgentic AISan Francisco, United StatesOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
PostintelligencecontractsLegalTechOpen source
- AdamczykAgentic AISan Francisco, United States$1.0M
Open source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
- XAxAI78Frontier AI LabPalo Alto, United States$90.0B
Open source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Thinking Machines Lab74Frontier AI LabSan Francisco, United States$3.4BOpen source
DeepSeek AI70AI InfrastructureBeijing, ChinaOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
- MOMoonshot AI66Frontier AI LabBeijing, China$250.0M
Open source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Arcten55Agentic AISan Francisco, United StatesOpen source
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
pleias55AI InfrastructureParis, FranceOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Knostic54Cybersecurity$14.3MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Imbue47Artificial IntelligenceSan Francisco, United StatesOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
- Why-Health42Productivity
Open source
Neptune41MLOpsNew York, United States$11.0MOpen source
Behrings40Agentic AISan Francisco, United StatesOpen source
Marketeam38MarketingTel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Romulous | Agentic AI | Open source | San Francisco, United States | — | 35 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| RecursiveMAS | Agentic AI | Open source | Tel Aviv, Israel | $1.5M | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| Clauderizer | AI Coding Assistant | Open source | — | — | — |
| Agentic AI | Open source | — | — | — | |
| Januslab | Agentic AI | Open source | San Francisco, United States | — | — |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Agentic AI | Open source | San Francisco, United States | $1.0M | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| XAxAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 78 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Thinking Machines Lab | Frontier AI Lab | Open source | San Francisco, United States | $3.4B | 74 |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | — | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 66 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 |
| Imbue | Artificial Intelligence | Open source | San Francisco, United States | — | 47 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Productivity | Open source | — | — | 42 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 41 |
| Behrings | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Marketeam | Marketing | Open source | Tel Aviv, Israel | — | 38 |