Open source focus
Open Source Alternatives to Mem
60 open source AI Search Engine options similar to Mem, 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.
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
PersondbPersonal Data ManagementSan Francisco, United StatesOpen source
Rewind62Personal Agent Data VaultOttawa, CanadaOpen source
Recall AI46Personal AISan Francisco, United States$10.3MOpen source
- RORoam Research63SaaSSan Francisco, United States$9.0M
Open source
- OBObsidian10SaaSMoldova
Open source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Noumena AI40Agentic AIתל אביב - יפו, IsraelOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Firstprinciplesgtm33Agentic AISan Francisco, United StatesOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Readwise Reader25Consumer AppRaleigh, United StatesOpen source
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
GPT Researcher13Agentic AIOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
lIdée10AI Search EngineTel Aviv, IsraelOpen source
360sprint4Agentic AITel Aviv, IsraelOpen source
Aether IntelAI Search EngineWashington, United StatesOpen source
CybernomicFoundation ModelOpen source
GhoztAgentic AIOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
GocerebroAgentic AITel Aviv, IsraelOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
TheclearpointAgentic AIOpen source
RedbuyE-commerceOpen source
CaddioAI Search EngineTel Aviv, IsraelOpen source
GoumiFoundation ModelOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
- HainexusFoundation Model
Open source
BuildtoexitAI Search EngineSan Francisco, United StatesOpen source
ShopcodexE-commerceTel Aviv, IsraelOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Thinking Machines Lab74Frontier AI LabSan Francisco, United States$3.4BOpen source
- MOMoonshot AI66Frontier AI LabBeijing, China$250.0M
Open source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Pola.rs63AI Search EngineTel Aviv, Israel$26.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
AgentMail58Agentic AISan Francisco, United States$7.5MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — |
| Persondb | Personal Data Management | Open source | San Francisco, United States | — | — |
| Rewind | Personal Agent Data Vault | Open source | Ottawa, Canada | — | 62 |
| Recall AI | Personal AI | Open source | San Francisco, United States | $10.3M | 46 |
| RORoam Research | SaaS | Open source | San Francisco, United States | $9.0M | 63 |
| OBObsidian | SaaS | Open source | Moldova | — | 10 |
| Open and Async | Agentic AI | 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 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 40 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| Firstprinciplesgtm | Agentic AI | Open source | San Francisco, United States | — | 33 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Readwise Reader | Consumer App | Open source | Raleigh, United States | — | 25 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 |
| 360sprint | Agentic AI | Open source | Tel Aviv, Israel | — | 4 |
| Aether Intel | AI Search Engine | Open source | Washington, United States | — | — |
| Cybernomic | Foundation Model | Open source | — | — | — |
| Ghozt | Agentic AI | Open source | — | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Gocerebro | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Theclearpoint | Agentic AI | Open source | — | — | — |
| Redbuy | E-commerce | Open source | — | — | — |
| Caddio | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Goumi | Foundation Model | Open source | — | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Foundation Model | Open source | — | — | — | |
| Buildtoexit | AI Search Engine | Open source | San Francisco, United States | — | — |
| Shopcodex | E-commerce | Open source | Tel Aviv, Israel | — | — |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Thinking Machines Lab | Frontier AI Lab | Open source | San Francisco, United States | $3.4B | 74 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 66 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| 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 |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| Pola.rs | AI Search Engine | Open source | Tel Aviv, Israel | $26.0M | 63 |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| AgentMail | Agentic AI | Open source | San Francisco, United States | $7.5M | 58 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Vanna AI | Agentic AI | Open source · Self-hostable | New York, United States | $2.5M | 56 |