Open source focus
Open Source Alternatives to Harvey AI
60 open source LegalTech options similar to Harvey AI, 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.
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
ZenlawyerLegalTechTel Aviv, IsraelOpen source
PostintelligencecontractsLegalTechOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Qualifire32Generative AIOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Coworker.aiHR TechOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
OpenAI83Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Dust65Agentic AIParis, France$15.0MOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Composio59Agentic AISan Francisco, United States$50.0MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
giniX54Generative AITel Aviv, IsraelOpen source
Knostic54Cybersecurity$14.3MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
CustomGPT35AI ChatbotTel Aviv, Israel$1.0MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
- COCometAPI15API PlatformSha Tin, China
Open source
WebWright11API PlatformOpen source
LlamaAi (DefiLlama)10FintechOpen source
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
kuafuai8Agentic AIBeijing, ChinaOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
CasezLegalTechTel Aviv, IsraelOpen source
IwrightLegalTechTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
TanakasunAI OrchestrationOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
AixeedAgentic AITel Aviv, IsraelOpen source
ClauderizerAI Coding AssistantOpen source
CasecompassLegalTechTel Aviv, IsraelOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
- XAxAI78Frontier AI LabPalo Alto, United States$90.0B
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Lovable75No-Code/Low-CodeStockholm, Sweden$1.2BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| Zenlawyer | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Coworker.ai | HR Tech | Open source | — | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 83 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 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 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 35 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 |
| WebWright | API Platform | Open source | — | — | 11 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Iwright | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Tanakasun | AI Orchestration | Open source | — | — | — |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Aixeed | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Clauderizer | AI Coding Assistant | Open source | — | — | — |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 |
| XAxAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 78 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $1.2B | 75 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 |