Open source focus
Open Source Alternatives to Quest Data
60 open source AI Search Engine options similar to Quest Data, 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.
Atlan45Data CatalogSan Francisco, United States$5.0MOpen source
Quantty15Foundation ModelOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
LlamaAi (DefiLlama)10FintechOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
KnowqlAI Search EngineOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
PindotAI Tools & AppsOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
PostintelligencecontractsLegalTechOpen source
HockitAI Search EngineTel Aviv, IsraelOpen source
TheclearpointAgentic AIOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Superlinked53Artificial IntelligenceTel Aviv, Israel$9.5MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Qualifire32Generative AIOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
QUBRID30Cloud InfrastructureOpen source
Bitrawr25AI Tools & AppsTel Aviv, IsraelOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
StartupHub.ai17AI Search EngineTel Aviv, IsraelOpen source
GPT Researcher13Agentic AIOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
StewardshipintelligenceAI Tools & AppsOpen source
Ai DnaAI InfrastructureOpen source
HooyooAI SolutionsOpen source
BublioAI Tools & AppsOpen source
PhaindynAgentic AIOpen source
FastclaudeAI Search EngineOpen source
CitalaAI InfrastructureOpen source
BuildtoexitAI Search EngineSan Francisco, United StatesOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
GhoztAgentic AIOpen source
CultivateaiSales AutomationOpen source
OnelytixInnovationOpen source
ThethirdbrainAI InfrastructureOpen source
RedbuyE-commerceOpen source
EvolvinglabAgentic AIOpen source
- ThebabrainAI Search Engine
Open source
Consensus360AI Search EngineOpen source
CasecompassLegalTechTel Aviv, IsraelOpen source
UseacreAI Search EngineOpen source
SparklaAI InfrastructureOpen source
BiblelensAI Search EngineOpen source
AoraxAgentic AIOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Atlan | Data Catalog | Open source | San Francisco, United States | $5.0M | 45 | |
| Quantty | Foundation Model | Open source | — | — | 15 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Knowql | AI Search Engine | Open source | — | — | — | |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Pindot | AI Tools & Apps | Open source | — | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Hockit | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Theclearpoint | Agentic AI | Open source | — | — | — | |
| 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 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 | |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Superlinked | Artificial Intelligence | Open source | Tel Aviv, Israel | $9.5M | 53 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Bitrawr | AI Tools & Apps | Open source | Tel Aviv, Israel | — | 25 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| StartupHub.ai | AI Search Engine | Open source | Tel Aviv, Israel | — | 17 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Stewardshipintelligence | AI Tools & Apps | Open source | — | — | — | |
| Ai Dna | AI Infrastructure | Open source | — | — | — | |
| Hooyoo | AI Solutions | Open source | — | — | — | |
| Bublio | AI Tools & Apps | Open source | — | — | — | |
| Phaindyn | Agentic AI | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Citala | AI Infrastructure | Open source | — | — | — | |
| Buildtoexit | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Ghozt | Agentic AI | Open source | — | — | — | |
| Cultivateai | Sales Automation | Open source | — | — | — | |
| Onelytix | Innovation | Open source | — | — | — | |
| Thethirdbrain | AI Infrastructure | Open source | — | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Evolvinglab | Agentic AI | Open source | — | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Consensus360 | AI Search Engine | Open source | — | — | — | |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Sparkla | AI Infrastructure | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Aorax | Agentic AI | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |