AI — Agent & LLM App Frameworks

25 companies and tools in this category. Each listing links to the provider’s own website. Search the full directory

• AgnoSDK/library

  Agent framework

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Arcade.devHosted API

  Authenticated tool calls for agents

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23
• Claude Agent SDKSDK/library

  Anthropic agent harness

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• ComposioHosted API

  Tool integrations for agents

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23
• CrewAISDK/library

  Role-based multi-agent framework

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• DSPySDK/library

  Programmatic prompting/optimization

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Google ADKSDK/library

  Google agent framework

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• GuidanceSDK/library

  Structured output libraries

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• HaystackSDK/library

  RAG pipelines

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• InstructorSDK/library

  Structured output libraries

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• LangChainSDK/library

  Chains, agents, graphs; LangGraph Platform API

  Open documentation Pricing Status — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• LangGraphSDK/library

  Chains, agents, graphs; LangGraph Platform API

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• LettaHosted API

  Stateful agents with memory, API server

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23
• LlamaIndexSDK/library

  Data framework for RAG and agents

  Open documentation Pricing Status — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• MastraSDK/library

  TypeScript agent framework

  Open documentation Pricing Status — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Mem0Hosted API

  Memory APIs for AI applications and agents

  Open documentation Pricing Status — No status page listedDetails

  Official source checked · checked 2026-10-23
• Microsoft Agent FrameworkSDK/library

  Multi-agent framework

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Microsoft AutoGenSDK/library

  Multi-agent framework

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Microsoft Semantic KernelSDK/library

  SDK for AI apps

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• OpenAI Agents SDKSDK/library

  OpenAI agent framework

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• OutlinesSDK/library

  Structured output libraries

  Open documentation Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Pydantic AISDK/library

  Typed agent framework

  Open documentation Pricing Status — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• smolagentsSDK/library

  Lightweight code agents

  Open documentation Pricing — No pricing page listedStatus Details

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• Vercel AI SDKSDK/library

  TS SDK for AI apps

  Set up API access Docs Pricing — No pricing page listedStatus — No status page listedDetails

  Official source checked · checked 2026-10-23Programming library or SDK; no hosted API key is implied.
• ZepHosted API

  Context and memory APIs for AI agents

  Open documentation Pricing Status Details

  Official source checked · checked 2026-10-23