Open source focus
Open Source Alternatives to Sagenotebook
60 open source AI Search Engine options similar to Sagenotebook, 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.
- OBObsidian10SaaSMoldova
Open source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
GPT Researcher13Agentic AIOpen source
42research4AI Search EngineTel Aviv, IsraelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen 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
Taskade46SpaceTechNew York, United States$1.0MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
AskjoynaAgentic AISan Francisco, United StatesOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Adot43E-commerceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
- Why-Health42Productivity
Open source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
CustomGPT35AI ChatbotTel Aviv, Israel$1.0MOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Qualifire32Generative AIOpen source
MemGPT28Foundation ModelOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Recallguru21AI Search EngineOpen source
Langbase20Agentic AISan Francisco, United StatesOpen source
LlamaAi (DefiLlama)10FintechOpen source
- PRPrivateGPT5AI Search Engine
Open source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
- ThebabrainAI Search Engine
Open source
TripvaletTravel TechTel Aviv, IsraelOpen source
ClauderizerAI Coding AssistantOpen source
Denser AIAI ChatbotTel Aviv, IsraelOpen source
PostintelligencecontractsLegalTechOpen source
RawqConversational AITel Aviv, IsraelOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
JustemailAI Search EngineTel Aviv, IsraelOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI66Frontier AI LabBeijing, China$250.0M
Open 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
- MIMintlify / mcpt57Developer ToolsSan Francisco, United States
Open source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
timeOS56PersonalSan Francisco, United States$3.3MOpen source
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| OBObsidian | SaaS | Open source | Moldova | — | 10 |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 |
| Secondarybrain | AI Search Engine | 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 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| Adot | E-commerce | Open source | San Francisco, United States | — | 43 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Productivity | Open source | — | — | 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 |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 35 |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Recallguru | AI Search Engine | Open source | — | — | 21 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| PRPrivateGPT | AI Search Engine | Open source · Self-hostable | — | — | 5 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| AI Search Engine | Open source | — | — | — | |
| Tripvalet | Travel Tech | Open source | Tel Aviv, Israel | — | — |
| Clauderizer | AI Coding Assistant | Open source | — | — | — |
| Denser AI | AI Chatbot | Open source | Tel Aviv, Israel | — | — |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Rawq | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — |
| Justemail | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $880.2M | 75 |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 66 |
| 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 |
| MIMintlify / mcpt | Developer Tools | Open source | San Francisco, United States | — | 57 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| timeOS | Personal | Open source | San Francisco, United States | $3.3M | 56 |
| Vanna AI | Agentic AI | Open source · Self-hostable | New York, United States | $2.5M | 56 |