Open source focus
Open Source Alternatives to Lagalaxy
60 open source LegalTech options similar to Lagalaxy, 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
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
- LoireLegalTechSan Francisco, United States
Open source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen 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
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
MemGPT28Foundation ModelOpen source
GPT Researcher13Agentic AIOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
CasecompassLegalTechTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
PostintelligencecontractsLegalTechOpen source
CasezLegalTechTel Aviv, IsraelOpen source
RedbuyE-commerceOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
FastclaudeAI Search EngineOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Dust65Agentic AIParis, France$15.0MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Qualifire32Generative AIOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
LlamaAi (DefiLlama)10FintechOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
EvolvinglabAgentic AIOpen source
DowjoFoundation ModelOpen source
ClauderizerAI Coding AssistantOpen source
RevochatConversational AIOpen source
ZenlawyerLegalTechTel Aviv, IsraelOpen source
BiblelensAI Search EngineOpen source
Tosly.onlineAgentic AIOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
CommitbenchAI Coding AssistantOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
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
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| KIKira Systems | LegalTech | Open source | Toronto, Canada | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| LegalTech | Open source | San Francisco, United States | — | — | ||
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| 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 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| MemGPT | Foundation Model | Open source | — | — | 28 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 | |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Evolvinglab | Agentic AI | Open source | — | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Clauderizer | AI Coding Assistant | Open source | — | — | — | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Zenlawyer | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Commitbench | AI Coding Assistant | Open source | — | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| 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 | |
| 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 | |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 | |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 | |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 | |
| 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 |