Open source focus
Zenlawyer is open source
Open Source Alternatives to Zenlawyer
60 open source LegalTech options similar to Zenlawyer, 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.
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
BiblelensAI Search EngineOpen source
PostintelligencecontractsLegalTechOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Fundamental Research Labs22Frontier AI LabSan Francisco, United States$10.0MOpen source
Openvisio18Developer ToolsOpen source
GPT Researcher13Agentic AIOpen source
LlamaAi (DefiLlama)10FintechOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
CommitbenchAI Coding AssistantOpen source
FastclaudeAI Search EngineOpen source
Auto InflateGenerative AIOpen source
CasezLegalTechTel Aviv, IsraelOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
StudyboltEdTechTel Aviv, IsraelOpen source
ClauderizerAI Coding AssistantOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
RedbuyE-commerceOpen source
Tosly.onlineAgentic AIOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Sakana AI70Foundation ModelTokyo, Japan$135.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
Crowdsense48EnterpriseTel Aviv, Israel$880KOpen source
Seek AI46AI Coding AssistantTel Aviv, IsraelOpen source
Arcee44Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
- Why-Health42Productivity
Open source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Firstprinciplesgtm33Agentic AISan Francisco, United StatesOpen source
Qualifire32Generative AIOpen source
QUBRID30Cloud InfrastructureOpen source
MemGPT28Foundation ModelOpen source
Gizzmo27MediaOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| 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 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 22 | |
| Openvisio | Developer Tools | Open source | — | — | 18 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Commitbench | AI Coding Assistant | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Auto Inflate | Generative AI | Open source | — | — | — | |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Studybolt | EdTech | Open source | Tel Aviv, Israel | — | — | |
| Clauderizer | AI Coding Assistant | Open source | — | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Sakana AI | Foundation Model | Open source | Tokyo, Japan | $135.0M | 70 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Plane | Project Management | Open source | San Francisco, United States | $4.0M | 53 | |
| Crowdsense | Enterprise | Open source | Tel Aviv, Israel | $880K | 48 | |
| Seek AI | AI Coding Assistant | Open source | Tel Aviv, Israel | — | 46 | |
| Arcee | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 44 | |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 | |
| Productivity | Open source | — | — | 42 | ||
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 | |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 | |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 | |
| Firstprinciplesgtm | Agentic AI | Open source | San Francisco, United States | — | 33 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| MemGPT | Foundation Model | Open source | — | — | 28 | |
| Gizzmo | Media | Open source | — | — | 27 |