Open source focus
Open Source Alternatives to Argus X
60 open source AI Search Engine options similar to Argus X, 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.
Zed46Agentic AISan Francisco, United States$95.5MOpen source
Noumena AI40Agentic AIתל אביב - יפו, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
- Melodocs18Foundation Model
Open source
- EvolvinglabAgentic AI
Open source
BieniekAgentic AIOpen source
GoumiFoundation ModelOpen source
CybernomicFoundation ModelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
- HainexusFoundation Model
Open source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Artificial Societies55Agentic AISan Francisco, United States$4.8MOpen source
Anon53Agentic AI$6.5MOpen source
Brave Search API52AI Search EngineSan Francisco, United StatesOpen source
GPT Researcher13Agentic AIOpen source
UszoningAI Search EngineTel Aviv, IsraelOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
Firecrawl65Agentic AISan Francisco, United States$29.0MOpen source
Rewind62Personal Agent Data VaultOttawa, CanadaOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Pluum34Travel TechTel Aviv, IsraelOpen source
Readwise Reader25Consumer AppRaleigh, United StatesOpen source
pywebagent22Generative AIOpen source
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
- BRBrowserTools12Developer Tools
Open source
lIdée10AI Search EngineTel Aviv, IsraelOpen source
Curiotrader8Agentic AIOpen source
- Drawer7Agentic AISan Francisco, United States
Open source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
DowjoFoundation ModelOpen source
AdvostackAI Search EngineOpen source
Tosly.onlineAgentic AIOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
RedbuyE-commerceOpen source
TruebloomAgentic AISan Francisco, United StatesOpen source
WebmlAgentic AIOpen source
IntelagentsiaAI Search EngineOpen source
- FingeringsAgentic AI
Open source
BuildtoexitAI Search EngineSan Francisco, United StatesOpen source
CaddioAI Search EngineTel Aviv, IsraelOpen source
CiteranksAI Search EngineOpen source
- XAxAI78Frontier AI LabPalo Alto, United States$90.0B
Open source
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Browserbase57AI InfrastructureSan Francisco, United States$67.5MOpen source
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
Magnitude51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Nekuda.ai48Agentic AITel Aviv, Israel$4.0MOpen source
- Spice AI46Databaseתל אביב - יפו, Israel
Open source · Self-hostable
Base4444No CodeTel Aviv, IsraelOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| 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 |
| Foundation Model | Open source | — | — | 18 | |
| Agentic AI | Open source | — | — | — | |
| Bieniek | Agentic AI | Open source | — | — | — |
| Goumi | Foundation Model | Open source | — | — | — |
| Cybernomic | Foundation Model | Open source | — | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Foundation Model | Open source | — | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 |
| Artificial Societies | Agentic AI | Open source | San Francisco, United States | $4.8M | 55 |
| Anon | Agentic AI | Open source | — | $6.5M | 53 |
| Brave Search API | AI Search Engine | Open source | San Francisco, United States | — | 52 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Uszoning | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Firecrawl | Agentic AI | Open source | San Francisco, United States | $29.0M | 65 |
| Rewind | Personal Agent Data Vault | Open source | Ottawa, Canada | — | 62 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| Pluum | Travel Tech | Open source | Tel Aviv, Israel | — | 34 |
| Readwise Reader | Consumer App | Open source | Raleigh, United States | — | 25 |
| pywebagent | Generative AI | Open source | — | — | 22 |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 |
| BRBrowserTools | Developer Tools | Open source | — | — | 12 |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 |
| Curiotrader | Agentic AI | Open source | — | — | 8 |
| Agentic AI | Open source | San Francisco, United States | — | 7 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — |
| Dowjo | Foundation Model | Open source | — | — | — |
| Advostack | AI Search Engine | Open source | — | — | — |
| Tosly.online | Agentic AI | Open source | — | — | — |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Redbuy | E-commerce | Open source | — | — | — |
| Truebloom | Agentic AI | Open source | San Francisco, United States | — | — |
| Webml | Agentic AI | Open source | — | — | — |
| Intelagentsia | AI Search Engine | Open source | — | — | — |
| Agentic AI | Open source | — | — | — | |
| Buildtoexit | AI Search Engine | Open source | San Francisco, United States | — | — |
| Caddio | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Citeranks | AI Search Engine | Open source | — | — | — |
| XAxAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 78 |
| 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 |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| Browserbase | AI Infrastructure | Open source | San Francisco, United States | $67.5M | 57 |
| Vanna AI | Agentic AI | Open source · Self-hostable | New York, United States | $2.5M | 56 |
| Magnitude | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| Nekuda.ai | Agentic AI | Open source | Tel Aviv, Israel | $4.0M | 48 |
| Database | Open source · Self-hostable | תל אביב - יפו, Israel | — | 46 | |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 44 |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 |