Open source focus
Open Source Alternatives to Agent C
60 open source AI Search Engine options similar to Agent C, 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.
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
EvolvinglabAgentic AIOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Anon53Agentic AI$6.5MOpen source
Brave Search API52AI Search EngineSan Francisco, United StatesOpen source
Zed46Agentic AISan Francisco, United States$95.5MOpen source
Raindrop40AI Search EngineMoscow, Russia$32.8MOpen source
Noumena AI35Agentic AIתל אביב - יפו, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Readwise Reader25Consumer AppRaleigh, United StatesOpen source
Melodocs18Foundation ModelOpen source
GPT Researcher13Agentic AIOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
WulverstoneFoundation ModelOpen source
CiteranksAI Search EngineOpen source
CybernomicFoundation ModelOpen source
IntellaiGenerative AIOpen source
AdvostackAI Search EngineOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
- WiretensorsAI Search Engine
Open source
Loop IqAI Tools & AppsOpen source
UseacreAI Search EngineOpen source
BiblelensAI Search EngineOpen source
HainexusFoundation ModelOpen source
DowjoFoundation ModelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
JobcontextAI Search EngineSan Francisco, United StatesOpen source
BarakudaInnovation LabOpen source
KeyboardsignalGenerative AIOpen source
BieniekAgentic AIOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Artificial Societies55Agentic AISan Francisco, United States$4.8MOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
- Seo Mcp AI41Agentic SEO
Open source
Pluum34Travel TechTel Aviv, IsraelOpen source
Omnivore23Consumer AppOpen source · Self-hostable
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
MCP.so10Developer ToolsOpen source · Self-hostable
lIdée10AI Search EngineTel Aviv, IsraelOpen source
OpenTools10AI Tool MarketplaceSan Francisco, United StatesOpen source
- Aibest8AI Search Engine
Open source
Curiotrader8Agentic AIOpen source
Truebloom8Agentic AISan Francisco, United StatesOpen source
- Drawer7Agentic AISan Francisco, United States
Open source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
42research4AI Search EngineTel Aviv, IsraelOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
JayslistDiscovery PlatformOpen source
UszoningAI Search EngineTel Aviv, IsraelOpen source
CenmorFoundation ModelOpen source
DontclickAI Search EngineOpen source
WebmlAgentic AIOpen source
AstertrackerWeb SearchOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Hyve5Web SearchOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 | |
| Evolvinglab | Agentic AI | 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 | |
| Anon | Agentic AI | Open source | — | $6.5M | 53 | |
| Brave Search API | AI Search Engine | Open source | San Francisco, United States | — | 52 | |
| Zed | Agentic AI | Open source | San Francisco, United States | $95.5M | 46 | |
| Raindrop | AI Search Engine | Open source | Moscow, Russia | $32.8M | 40 | |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 35 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Readwise Reader | Consumer App | Open source | Raleigh, United States | — | 25 | |
| Melodocs | Foundation Model | Open source | — | — | 18 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Wulverstone | Foundation Model | Open source | — | — | — | |
| Citeranks | AI Search Engine | Open source | — | — | — | |
| Cybernomic | Foundation Model | Open source | — | — | — | |
| Intellai | Generative AI | Open source | — | — | — | |
| Advostack | AI Search Engine | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Loop Iq | AI Tools & Apps | Open source | — | — | — | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Hainexus | Foundation Model | Open source | — | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Jobcontext | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Barakuda | Innovation Lab | Open source | — | — | — | |
| Keyboardsignal | Generative AI | Open source | — | — | — | |
| Bieniek | Agentic AI | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Artificial Societies | Agentic AI | Open source | San Francisco, United States | $4.8M | 55 | |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 | |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| Agentic SEO | Open source | — | — | 41 | ||
| Pluum | Travel Tech | Open source | Tel Aviv, Israel | — | 34 | |
| Omnivore | Consumer App | Open source · Self-hostable | — | — | 23 | |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| MCP.so | Developer Tools | Open source · Self-hostable | — | — | 10 | |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 | |
| OpenTools | AI Tool Marketplace | Open source | San Francisco, United States | — | 10 | |
| AI Search Engine | Open source | — | — | 8 | ||
| Curiotrader | Agentic AI | Open source | — | — | 8 | |
| Truebloom | Agentic AI | Open source | San Francisco, United States | — | 8 | |
| Agentic AI | Open source | San Francisco, United States | — | 7 | ||
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Jayslist | Discovery Platform | Open source | — | — | — | |
| Uszoning | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Cenmor | Foundation Model | Open source | — | — | — | |
| Dontclick | AI Search Engine | Open source | — | — | — | |
| Webml | Agentic AI | Open source | — | — | — | |
| Astertracker | Web Search | Open source | — | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Hyve5 | Web Search | Open source | — | — | — |