Open source focus
Open Source Alternatives to Rails
60 open source Agentic AI options similar to Rails, 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.
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
LlamaIndex64Agentic AIUnited StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Langbase20Agentic AISan Francisco, United StatesOpen source
ClauderizerAI Coding AssistantOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Arcten55Agentic AISan Francisco, United StatesOpen source
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Qualifire32Generative AIOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
MemGPT28Foundation ModelOpen source
Magick AI28Agentic AIOpen source
CRAB26Agentic AIOpen source · Self-hostable
- BABabyAGI18Agentic AI
Open source · Self-hostable
GPT Researcher13Agentic AIOpen source
- AGAgent Pilot13Agentic AI
Open source · Self-hostable
AI Planet9Agentic AIOpen source
Agentradio7AI Coding AssistantOpen source
Amadeusbio6BiotechOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
CommitbenchAI Coding AssistantOpen source
FastclaudeAI Search EngineOpen source
RevochatConversational AIOpen source
NzeruAgentic AISan Francisco, United StatesOpen source
AgentiqflowAgentic AIOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Embedder (YC S25)61AI AgentsSan Francisco, United States$625.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
AgentMail58Agentic AISan Francisco, United States$7.5MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
All-Hands AI50Agentic AIBoston, United States$5.0MOpen source · Self-hostable
Kriya50Agentic AISan Francisco, United States$330.0MOpen source
Protocol47Agentic AISan Francisco, United States$3.2MOpen source · Self-hostable
Glue46Agentic AISan Francisco, United States$4.2MOpen source · Self-hostable
Outlit45Agentic AI$500KOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| LlamaIndex | Agentic AI | Open source | United States | — | 64 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 | |
| Clauderizer | AI Coding Assistant | Open source | — | — | — | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 | |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 | |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| MemGPT | Foundation Model | Open source | — | — | 28 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 | |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| AGAgent Pilot | Agentic AI | Open source · Self-hostable | — | — | 13 | |
| AI Planet | Agentic AI | Open source | — | — | 9 | |
| Agentradio | AI Coding Assistant | Open source | — | — | 7 | |
| Amadeusbio | Biotech | Open source | — | — | 6 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Commitbench | AI Coding Assistant | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Nzeru | Agentic AI | Open source | San Francisco, United States | — | — | |
| Agentiqflow | Agentic AI | Open source | — | — | — | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 | |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Embedder (YC S25) | AI Agents | Open source | San Francisco, United States | $625.0M | 61 | |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 | |
| AgentMail | Agentic AI | Open source | San Francisco, United States | $7.5M | 58 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 | |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 | |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 | |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 | |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| All-Hands AI | Agentic AI | Open source · Self-hostable | Boston, United States | $5.0M | 50 | |
| Kriya | Agentic AI | Open source | San Francisco, United States | $330.0M | 50 | |
| Protocol | Agentic AI | Open source · Self-hostable | San Francisco, United States | $3.2M | 47 | |
| Glue | Agentic AI | Open source · Self-hostable | San Francisco, United States | $4.2M | 46 | |
| Outlit | Agentic AI | Open source | — | $500K | 45 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |