Open source focus
LlamaIndex is open source
Open Source Alternatives to LlamaIndex
60 open source Agentic AI options similar to LlamaIndex, 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.
Magick AI28Agentic AIOpen source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
vibecode.dev44Agentic AISan Francisco, United States$1.5MOpen source
Parlant27AI AgentsTel Aviv, IsraelOpen source · Self-hostable
Emdash24Agentic AISan Francisco, United StatesOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Airweave63Agentic AISan Francisco, United States$6.0MOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Aviro53Agentic AISan Francisco, United States$500KOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
Turbopuffer51Artificial IntelligenceSan Francisco, USA$12.0MOpen source
Arcade46Artificial IntelligenceSan Francisco, USA$60.0MOpen source
microsandbox46Agentic AISan Francisco, United StatesOpen source
Twill46Agentic AISan Francisco, United StatesOpen source · Self-hostable
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Letta36Agentic AISan Francisco, United StatesOpen source
MemGPT28Foundation ModelOpen source
Caura.AI27AI Foundation & ComputeSan Francisco, United StatesOpen source
Inconvo25Agentic AIUnknown, UnknownOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
LLMStack15Agentic AIOpen source · Self-hostable
Langchain-Chatchat11Open SourceOpen source · Self-hostable
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Martian52AI InfrastructureSan Francisco, United StatesOpen source
- Litellm42LLM OrchestrationSan Francisco, United States
Open source · Self-hostable
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
PineAI63Artificial IntelligenceSan Francisco, USA$63.0MOpen source
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
FingerprintJS61Customer ServiceSan Francisco, United States$87.0MOpen source
Quotient AI56Artificial IntelligenceBoston, United States$5.5MOpen source
- AGAgentDesk / BrowserTools54Recruitment Tech$17.0M
Open source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Arthur51Agentic AISan Francisco, United States$10.0MOpen source
Fiducia AI18Artificial IntelligenceNew York, United StatesOpen source
Mirrorfly11Agentic AIOpen source
Google Cloud AI8AI Foundation & ComputeMountain View, United StatesOpen source
Mastra75Agentic AISan Francisco, United States$35.5MOpen source · Self-hostable
Coframe70AI-Managed PlatformSan Francisco, United States$9.3MOpen source
Candid Intelligence, Inc.63Construction TechSan Francisco, United States$207.0MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Kata.ai55Customer ServiceJakarta, Indonesia$3.5MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Merge Labs54Agentic AISan Francisco, United States$24.0MOpen source
WSO254Artificial IntelligencePalo Alto, USA$63.0MOpen source · Self-hostable
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
SageOx47Artificial IntelligenceSeattle, USA$15.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Magick AI | Agentic AI | Open source | — | — | 28 |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 |
| vibecode.dev | Agentic AI | Open source | San Francisco, United States | $1.5M | 44 |
| Parlant | AI Agents | Open source · Self-hostable | Tel Aviv, Israel | — | 27 |
| Emdash | Agentic AI | Open source | San Francisco, United States | — | 24 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| Airweave | Agentic AI | Open source · Self-hostable | San Francisco, United States | $6.0M | 63 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 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 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 |
| Aviro | Agentic AI | Open source | San Francisco, United States | $500K | 53 |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 |
| Turbopuffer | Artificial Intelligence | Open source | San Francisco, USA | $12.0M | 51 |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 46 |
| microsandbox | Agentic AI | Open source | San Francisco, United States | — | 46 |
| Twill | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 46 |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 |
| Letta | Agentic AI | Open source | San Francisco, United States | — | 36 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Caura.AI | AI Foundation & Compute | Open source | San Francisco, United States | — | 27 |
| Inconvo | Agentic AI | Open source · Self-hostable | Unknown, Unknown | — | 25 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| LLMStack | Agentic AI | Open source · Self-hostable | — | — | 15 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| Martian | AI Infrastructure | Open source | San Francisco, United States | — | 52 |
| LLM Orchestration | Open source · Self-hostable | San Francisco, United States | — | 42 | |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| PineAI | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 63 |
| Fiddler Labs, Inc. | MLOps | Open source | Mountain View, United States | $39.0M | 62 |
| FingerprintJS | Customer Service | Open source | San Francisco, United States | $87.0M | 61 |
| Quotient AI | Artificial Intelligence | Open source | Boston, United States | $5.5M | 56 |
| AGAgentDesk / BrowserTools | Recruitment Tech | Open source | — | $17.0M | 54 |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 |
| Arthur | Agentic AI | Open source | San Francisco, United States | $10.0M | 51 |
| Fiducia AI | Artificial Intelligence | Open source | New York, United States | — | 18 |
| Mirrorfly | Agentic AI | Open source | — | — | 11 |
| Google Cloud AI | AI Foundation & Compute | Open source | Mountain View, United States | — | 8 |
| Mastra | Agentic AI | Open source · Self-hostable | San Francisco, United States | $35.5M | 75 |
| Coframe | AI-Managed Platform | Open source | San Francisco, United States | $9.3M | 70 |
| Candid Intelligence, Inc. | Construction Tech | Open source | San Francisco, United States | $207.0M | 63 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Kata.ai | Customer Service | Open source | Jakarta, Indonesia | $3.5M | 55 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 |
| Merge Labs | Agentic AI | Open source | San Francisco, United States | $24.0M | 54 |
| WSO2 | Artificial Intelligence | Open source · Self-hostable | Palo Alto, USA | $63.0M | 54 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| SageOx | Artificial Intelligence | Open source | Seattle, USA | $15.0M | 47 |