Open source focus
Open Source Alternatives to Clarical
60 open source LegalTech options similar to Clarical, 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.
- KIKira Systems10LegalTechToronto, Canada
Open source
PostintelligencecontractsLegalTechOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
ZenlawyerLegalTechTel Aviv, IsraelOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
CasezLegalTechTel Aviv, IsraelOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Qualifire32Generative AIOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
LlamaAi (DefiLlama)10FintechOpen source
- PRPrivateGPT5AI Search Engine
Open source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
CasecompassLegalTechTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Juro60LegalTechLondon, United KingdomOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Axiom58LegalTechNew York, United States$764.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
LawGeex56LegalTel Aviv, Israel$41.8MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Knostic54Cybersecurity$14.3MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
CustomGPT35AI ChatbotTel Aviv, Israel$1.0MOpen source
MemGPT28Foundation ModelOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Fundamental Research Labs22Frontier AI LabSan Francisco, United States$10.0MOpen source
Langbase20Agentic AISan Francisco, United StatesOpen source
- COCometAPI15API PlatformSha Tin, China
Open source
GPT Researcher13Agentic AIOpen source
WebWright11API PlatformOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
- XMxMemory10Artificial IntelligenceLondon, United Kingdom
Open source
42research4AI Search EngineTel Aviv, IsraelOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Tosly.onlineAgentic AIOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| KIKira Systems | LegalTech | Open source | Toronto, Canada | — | 10 |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| 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 | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| 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 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| PRPrivateGPT | AI Search Engine | Open source · Self-hostable | — | — | 5 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| Juro | LegalTech | Open source | London, United Kingdom | — | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| LawGeex | Legal | Open source | Tel Aviv, Israel | $41.8M | 56 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Plane | Project Management | Open source | San Francisco, United States | $4.0M | 53 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 35 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 22 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| WebWright | API Platform | Open source | — | — | 11 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| XMxMemory | Artificial Intelligence | Open source | London, United Kingdom | — | 10 |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| Tosly.online | Agentic AI | Open source | — | — | — |