Open source focus
Open Source Alternatives to Citematrix
60 open source AI Search Engine options similar to Citematrix, 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.
Hordus AI25AI Search Engineתל אביב - יפו, IsraelOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Anon53Agentic AI$6.5MOpen source
Zed46Agentic AISan Francisco, United States$95.5MOpen source
Noumena AI40Agentic AIתל אביב - יפו, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
- Svitch26AI GovernanceSan Francisco, United States
Open source
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
GPT Researcher13Agentic AIOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
- HainexusFoundation Model
Open source
GoumiFoundation ModelOpen source
- LlmverseAI Search Engine
Open source
UszoningAI Search EngineTel Aviv, IsraelOpen source
CybernomicFoundation ModelOpen source
MarchwardAgentic AISan Francisco, United StatesOpen source
BieniekAgentic AIOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Brave Search API52AI Search EngineSan Francisco, United StatesOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Adot43E-commerceSan Francisco, United StatesOpen source
Paart40AI GovernanceSan Francisco, United StatesOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Romulous35Agentic AISan Francisco, United StatesOpen source
Pluum34Travel TechTel Aviv, IsraelOpen source
Firstprinciplesgtm33Agentic AISan Francisco, United StatesOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Qualifire32Generative AIOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
CRAB26Agentic AIOpen source · Self-hostable
Vibranium Dome23AI AgentsOpen source · Self-hostable
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
pywebagent22Generative AIOpen source
- Melodocs18Foundation Model
Open source
lIdée10AI Search EngineTel Aviv, IsraelOpen source
360sprint4Agentic AITel Aviv, IsraelOpen source
Axonmedical4HealthTechOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
ShopcodexE-commerceTel Aviv, IsraelOpen source
IntelagentsiaAI Search EngineOpen source
- FingeringsAgentic AI
Open source
- EvolvinglabAgentic AI
Open source
- ActradeckAI Coding Assistant
Open source
GhoztAgentic AIOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
- LiansAgentic AI
Open source
- EtymoltAgentic AI
Open source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Hordus AI | AI Search Engine | Open source | תל אביב - יפו, Israel | — | 25 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Anon | Agentic AI | Open source | — | $6.5M | 53 |
| Zed | Agentic AI | Open source | San Francisco, United States | $95.5M | 46 |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 40 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| AI Governance | Open source | San Francisco, United States | — | 26 | |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Foundation Model | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | — | — | — |
| AI Search Engine | Open source | — | — | — | |
| Uszoning | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Cybernomic | Foundation Model | Open source | — | — | — |
| Marchward | Agentic AI | Open source | San Francisco, United States | — | — |
| Bieniek | Agentic AI | Open source | — | — | — |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 |
| Fiddler Labs, Inc. | MLOps | Open source | Mountain View, United States | $39.0M | 62 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 |
| Vanna AI | Agentic AI | Open source · Self-hostable | New York, United States | $2.5M | 56 |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| Brave Search API | AI Search Engine | Open source | San Francisco, United States | — | 52 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 |
| Adot | E-commerce | Open source | San Francisco, United States | — | 43 |
| Paart | AI Governance | Open source | San Francisco, United States | — | 40 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| Romulous | Agentic AI | Open source | San Francisco, United States | — | 35 |
| Pluum | Travel Tech | Open source | Tel Aviv, Israel | — | 34 |
| Firstprinciplesgtm | Agentic AI | Open source | San Francisco, United States | — | 33 |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| pywebagent | Generative AI | Open source | — | — | 22 |
| Foundation Model | Open source | — | — | 18 | |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 |
| 360sprint | Agentic AI | Open source | Tel Aviv, Israel | — | 4 |
| Axonmedical | HealthTech | Open source | — | — | 4 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Shopcodex | E-commerce | Open source | Tel Aviv, Israel | — | — |
| Intelagentsia | AI Search Engine | Open source | — | — | — |
| Agentic AI | Open source | — | — | — | |
| Agentic AI | Open source | — | — | — | |
| AI Coding Assistant | Open source | — | — | — | |
| Ghozt | Agentic AI | Open source | — | — | — |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Agentic AI | Open source | — | — | — | |
| Agentic AI | Open source | — | — | — |