Open source focus
Open Source Alternatives to Responsiv
60 open source LegalTech options similar to Responsiv, 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.
Axiom58LegalTechNew York, United States$764.0MOpen source
PostintelligencecontractsLegalTechOpen source
RegulatediqAI GovernanceOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Juro60LegalTechLondon, United KingdomOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
MANIFEST56LegalNew York, United States$23.0MOpen source
LawGeex56LegalTel Aviv, Israel$41.8MOpen source
pleias55AI InfrastructureParis, FranceOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Knostic54Cybersecurity$14.3MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Outlit45Agentic AI$500KOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
TandemTrace35Agentic AIOpen source
Qualifire32Generative AIOpen source
QUBRID30Cloud InfrastructureOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
- Svitch26AI GovernanceSan Francisco, United States
Open source
Vibranium Dome23AI AgentsOpen source · Self-hostable
- COCometAPI15API PlatformSha Tin, China
Open source
- KIKira Systems10LegalTechToronto, Canada
Open source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
OpenfigsAgentic AIOpen source · Self-hostable
CasezLegalTechTel Aviv, IsraelOpen source
ZenlawyerLegalTechTel Aviv, IsraelOpen source
AssuretraceSupply Chain TraceabilityTel Aviv, IsraelOpen source
AixeedAgentic AITel Aviv, IsraelOpen source
AgentiqflowAgentic AIOpen source
TanakasunAI OrchestrationOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Databricks82Data AnalyticsSan Francisco, United States$31.7BOpen source · Self-hostable
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
MiniMax74Artificial IntelligenceShanghai, China$2.0BOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Sakana AI70Foundation ModelTokyo, Japan$135.0MOpen source
Hightouch70Customer Data PlatformSan Francisco, United States$322.0MOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Stability AI68Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Dust65Agentic AIParis, France$15.0MOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
LILT63Enterprise SoftwareEmeryville, United States$93.2MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Regulatediq | AI Governance | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 | |
| Juro | LegalTech | Open source | London, United Kingdom | — | 60 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| MANIFEST | Legal | Open source | New York, United States | $23.0M | 56 | |
| LawGeex | Legal | Open source | Tel Aviv, Israel | $41.8M | 56 | |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Outlit | Agentic AI | Open source | — | $500K | 45 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 | |
| TandemTrace | Agentic AI | Open source | — | — | 35 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| AI Governance | Open source | San Francisco, United States | — | 26 | ||
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 | |
| KIKira Systems | LegalTech | Open source | Toronto, Canada | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Openfigs | Agentic AI | Open source · Self-hostable | — | — | — | |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Zenlawyer | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Assuretrace | Supply Chain Traceability | Open source | Tel Aviv, Israel | — | — | |
| Aixeed | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Agentiqflow | Agentic AI | Open source | — | — | — | |
| Tanakasun | AI Orchestration | Open source | — | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Databricks | Data Analytics | Open source · Self-hostable | San Francisco, United States | $31.7B | 82 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| MiniMax | Artificial Intelligence | Open source | Shanghai, China | $2.0B | 74 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Sakana AI | Foundation Model | Open source | Tokyo, Japan | $135.0M | 70 | |
| Hightouch | Customer Data Platform | Open source | San Francisco, United States | $322.0M | 70 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Stability AI | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 68 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 | |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 | |
| LILT | Enterprise Software | Open source | Emeryville, United States | $93.2M | 63 |