Open source focus
Open Source Alternatives to Yingbosaier
60 open source AI Search Engine options similar to Yingbosaier, 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.
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
GPT Researcher13Agentic AIOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
42research4AI Search EngineTel Aviv, IsraelOpen source
- Converter4Document Automation
Open source
- ThebabrainAI Search Engine
Open source
Coworker.aiHR TechOpen source
PostintelligencecontractsLegalTechOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen 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
Dust65Agentic AIParis, France$15.0MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Taskade49SpaceTechNew York, United States$1.0MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Apideck46API PlatformUnknown, UnknownOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Outlit45Agentic AI$500KOpen source
Orq.ai41Agentic AIAmsterdam, Netherlands$8.9MOpen source
Bindwell38AI InfrastructureSan Francisco, United States$9.5MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Qualifire32Generative AIOpen source
PromptQL31Artificial IntelligenceSan Francisco, United StatesOpen source · Self-hostable
QUBRID30Cloud InfrastructureOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Recallguru21AI Search EngineOpen source
StartupHub.ai17AI Search EngineTel Aviv, IsraelOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
LlamaAi (DefiLlama)10FintechOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
Denser AIAI ChatbotTel Aviv, IsraelOpen source
OpenfigsAgentic AIOpen source · Self-hostable
TheclearpointAgentic AIOpen source
KedmahConversational AITel Aviv, IsraelOpen source
AgentiqflowAgentic AIOpen source
StranahanAgentic AIOpen source
GetmunimGovTechTel Aviv, IsraelOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
BiblelensAI Search EngineOpen source
GocerebroAgentic AITel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
CasezLegalTechTel Aviv, IsraelOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
CultivateaiSales AutomationOpen source
AixeedAgentic AITel Aviv, IsraelOpen source
RawqConversational AITel Aviv, IsraelOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 | |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 | |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| Document Automation | Open source | — | — | — | ||
| AI Search Engine | Open source | — | — | — | ||
| Coworker.ai | HR Tech | Open source | — | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| 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 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 49 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Outlit | Agentic AI | Open source | — | $500K | 45 | |
| Orq.ai | Agentic AI | Open source | Amsterdam, Netherlands | $8.9M | 41 | |
| Bindwell | AI Infrastructure | Open source | San Francisco, United States | $9.5M | 38 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| PromptQL | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | — | 31 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Recallguru | AI Search Engine | Open source | — | — | 21 | |
| StartupHub.ai | AI Search Engine | Open source | Tel Aviv, Israel | — | 17 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Denser AI | AI Chatbot | Open source | Tel Aviv, Israel | — | — | |
| Openfigs | Agentic AI | Open source · Self-hostable | — | — | — | |
| Theclearpoint | Agentic AI | Open source | — | — | — | |
| Kedmah | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Agentiqflow | Agentic AI | Open source | — | — | — | |
| Stranahan | Agentic AI | Open source | — | — | — | |
| Getmunim | GovTech | Open source | Tel Aviv, Israel | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Gocerebro | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Cultivateai | Sales Automation | Open source | — | — | — | |
| Aixeed | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Rawq | Conversational AI | Open source | Tel Aviv, Israel | — | — | |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |