Open source focus
Parlant is open source
Open Source Alternatives to Parlant
60 open source AI Agents options similar to Parlant, 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
LlamaIndex64Agentic AIUnited StatesOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Arthur51Agentic AISan Francisco, United States$10.0MOpen source
Magick AI28Agentic AIOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
CRAB26Agentic AIOpen source · Self-hostable
SuperAGI23Agentic AIBengaluru, IndiaOpen source · Self-hostable
Vibranium Dome23AI AgentsOpen source · Self-hostable
- BABabyAGI18Agentic AI
Open source · Self-hostable
- AGAgent Pilot13Agentic AI
Open source · Self-hostable
Langchain-Chatchat11Open SourceOpen source · Self-hostable
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
CausariAgentic AIOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Dust65Agentic AIParis, France$15.0MOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MOpen source · Self-hostable
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Embedder (YC S25)61AI AgentsSan Francisco, United States$625.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
giniX54Generative AITel Aviv, IsraelOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Ollama52Foundation ModelSan Francisco, United States$65.0MOpen source · Self-hostable
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
All-Hands AI50Agentic AIBoston, United States$5.0MOpen source · Self-hostable
Protocol47Agentic AISan Francisco, United States$3.2MOpen source · Self-hostable
Imbue47Artificial IntelligenceSan Francisco, United StatesOpen source
Glue46Agentic AISan Francisco, United States$4.2MOpen source · Self-hostable
Outlit45Agentic AI$500KOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
vibecode.dev44Agentic AISan Francisco, United States$1.5MOpen source
- Litellm42LLM OrchestrationSan Francisco, United States
Open source · Self-hostable
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Neptune39MLOpsNew York, United States$11.0MOpen source
LettaAI38Artificial IntelligenceSan Francisco, United States$1.5MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Superagent34Agentic AISan Francisco, United StatesOpen source · Self-hostable
PromptQL31Artificial IntelligenceSan Francisco, United StatesOpen source · Self-hostable
MemGPT28Foundation ModelOpen source
Caura.AI27AI Foundation & ComputeSan Francisco, United StatesOpen source
Emdash24Agentic AISan Francisco, United StatesOpen source
Kilo Code20Agentic AISan Francisco, United StatesOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
Codel15Agentic AIOpen source · Self-hostable
LLMStack15Agentic AIOpen source · Self-hostable
Codename Goose14Developer ToolsOpen source · Self-hostable
OpenDevin11AI Agent PlatformOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| LlamaIndex | Agentic AI | Open source | United States | — | 64 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 | |
| Arthur | Agentic AI | Open source | San Francisco, United States | $10.0M | 51 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 | |
| SuperAGI | Agentic AI | Open source · Self-hostable | Bengaluru, India | — | 23 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 | |
| AGAgent Pilot | Agentic AI | Open source · Self-hostable | — | — | 13 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Causari | Agentic AI | Open source · Self-hostable | — | — | — | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| Trigger Device Inc | AI Agents | Open source · Self-hostable | London, United Kingdom | $16.5M | 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 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 | |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 | |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 | |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 | |
| Ollama | Foundation Model | Open source · Self-hostable | San Francisco, United States | $65.0M | 52 | |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 | |
| All-Hands AI | Agentic AI | Open source · Self-hostable | Boston, United States | $5.0M | 50 | |
| Protocol | Agentic AI | Open source · Self-hostable | San Francisco, United States | $3.2M | 47 | |
| Imbue | Artificial Intelligence | Open source | San Francisco, United States | — | 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 | |
| vibecode.dev | Agentic AI | Open source | San Francisco, United States | $1.5M | 44 | |
| LLM Orchestration | Open source · Self-hostable | San Francisco, United States | — | 42 | ||
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| LettaAI | Artificial Intelligence | Open source | San Francisco, United States | $1.5M | 38 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Superagent | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 34 | |
| PromptQL | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | — | 31 | |
| MemGPT | Foundation Model | Open source | — | — | 28 | |
| Caura.AI | AI Foundation & Compute | Open source | San Francisco, United States | — | 27 | |
| Emdash | Agentic AI | Open source | San Francisco, United States | — | 24 | |
| Kilo Code | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 20 | |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 | |
| Codel | Agentic AI | Open source · Self-hostable | — | — | 15 | |
| LLMStack | Agentic AI | Open source · Self-hostable | — | — | 15 | |
| Codename Goose | Developer Tools | Open source · Self-hostable | — | — | 14 | |
| OpenDevin | AI Agent Platform | Open source · Self-hostable | — | — | 11 |