Agent Frameworks
Frameworks and platforms for building AI agents.
26 tools · updated
26 tools
| Visit | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 n8n5 plans | Free – $774 | ||||||||||
 Langflow | Free | ||||||||||
 Dify5 plans | Free – $159 | ||||||||||
 CrewAI4 plans | Free – $25 | ||||||||||
 LangChain4 plans | Free – $39/seat | ||||||||||
 Flowise4 plans | Free – $65 | ||||||||||
 Activepieces4 plans | Free – $200 | ||||||||||
 Vercel3 plans | Free – $20/seat | ||||||||||
 Google ADK | Free | ||||||||||
 OpenAI | Usage | ||||||||||
 Sim Studio4 plans | Free – $100/seat | ||||||||||
 Mastra4 plans | Free – $250 | ||||||||||
 LlamaIndex5 plans | Free – $500 | ||||||||||
 Agno3 plans | Free – $150 | ||||||||||
 Pydantic AI4 plans | Free – $249 | ||||||||||
 Microsoft Agent Framework | Free | ||||||||||
 Microsoft AutoGen | Free | ||||||||||
 Semantic Kernel | Free | ||||||||||
 VoiceflowNew4 plans | Free – $150 | ||||||||||
 Letta API / Letta Code5 plans | Free – $20/seat | ||||||||||
 DSPyNew | Free | ||||||||||
 BotpressNew4 plans | Free – $939 | ||||||||||
 DustNew4 plans | Free – $174/seat | ||||||||||
 Gumloop2 plans | $37 | ||||||||||
 AgentScopeNew | Free | ||||||||||
 CAMELNew | Free |
- n8nFree – $774Fair-code workflow automation tool with powerful AI agent nodes.
- LangflowFreeVisual low-code framework for building multi-agent applications and workflows.
- DifyFree – $159Open-source LLM app development platform combining RAG and agent workflows.
- CrewAIFree – $25Python framework for role-based multi-agent crews and workflows
- LangChainFree – $39/seatOpen-source framework for stateful, multi-step AI agent workflows
- FlowiseFree – $65Open-source low-code UI builder for LLM orchestration and AI agents.
- ActivepiecesFree – $200Visual automation builder combining AI agents, flows and MCP integrations.
- VercelFree – $20/seatVercel's deployable starter templates for web, AI, and commerce apps
- Google ADKFreeGoogle's open-source Agent Development Kit for Python and Java agents
- OpenAIUsageOpenAI SDK for building tool-using agents with handoffs and guardrails
- Sim StudioFree – $100/seatOpen-source visual workspace for building and running agent workflows.
- MastraFree – $250TypeScript agent framework with workflows, memory, RAG and deployment
- LlamaIndexFree – $500Data framework for connecting custom data sources to LLMs.
- AgnoFree – $150Open-source Python agent runtime with optional hosted control plane
- Pydantic AIFree – $249Python agent framework with typed tools, structured outputs and evaluation
- Microsoft Agent FrameworkFreeMicrosoft SDK for .NET and Python AI agents, workflows and orchestration
- Microsoft AutoGenFreeOpen-source Python framework for conversational multi-agent applications
- Semantic KernelFreeMicrosoft SDK for integrating LLMs, plugins and agents into .NET apps
- VoiceflowFree – $150NewCollaborative conversational AI agent builder for teams and developers.
- Letta API / Letta CodeFree – $20/seatStateful AI agent platform with persistent memory, CLI and self-hosting.
- DSPyFreeNewFramework for programming and optimizing LLM pipelines rather than prompts
- BotpressFree – $939NewConversational AI platform for building and deploying advanced chatbots and age…
- DustFree – $174/seatNewCollaborative AI agent platform with company knowledge and MCP tools.
- Gumloop$37Visual AI agent and workflow platform with connectors and MCP tools.
- AgentScopeFreeNewDeveloper-friendly framework for building multi-agent applications.
- CAMELFreeNewOpen-source communicative agents framework for studying cooperative agent behav…