| Tool | License | Stars | Description |
|---|---|---|---|
| Microsoft AutoGen | MIT | 55.3k | Conversational agent framework |
| LangChain | MIT | 129k | General-purpose LLM framework |
| LlamaIndex | MIT | 47.5k | Document-focused RAG framework |
| Camel | MIT | 5k+ | Communicative agents for language tasks |
| AgentOps | MIT | 6k+ | Agent development platform |
| Haystack | Apache-2.0 | 15k+ | NLP pipeline framework |
| Feature | CrewAI | AutoGen | LangChain |
|---|---|---|---|
| Role-Playing Agents | ✅ | ⚠️ Limited | ⚠️ Via agents |
| Multi-Agent Collaboration | ✅ | ✅ | ✅ |
| Standalone (no LangChain) | ✅ | ✅ | N/A |
| Visual Builder | ✅ (AMP) | ❌ | ✅ (LangChain Studio) |
| Enterprise Platform | ✅ (AMP Suite) | ❌ | ✅ |
| Tools Integration | ✅ | ✅ | ✅ |
| Hierarchical Process | ✅ | ✅ | ⚠️ Custom |
| Sequential Process | ✅ | ⚠️ Custom | ✅ |
| Community Size | 100k+ | Growing | 500k+ |