AI Agent Frameworks — A Directory of 14 Agent Development Platforms

Building an AI agent rarely means writing one program end to end. Most teams reach for a graph or chain framework to define the workflow, a multi-agent layer to split work across specialised roles, a retrieval layer to ground answers in real data, and an observability tool to see what the agent actually did in production. This directory groups 14 frameworks and platforms by the job they do in that stack.

01 Orchestration

LangGraphUpdated

Visualize and orchestrate AI workflows elegantly with its graph-based interface.

Open Source langchain.com/langgraphVisit ↗

02 Multi-Agent

CrewAIUpdated

Team up multiple AI agents to perform collaborative problem-solving.

Open Source crewai.comVisit ↗

03 Enterprise-Grade

OpenAI Agents SDK

Straightforward library for building agentic applications where a model can use additional context and tools, hand off to other specialised agents, stream partial results, and keep a full trace.

Vendor SDK platform.openai.comVisit ↗

04 Open Source

AutoGenUpdated

Automate generation of agents tailored to diverse tasks.

Open Source microsoft.com/researchVisit ↗

05 Observability & Ops

SuperAGI

Managing autonomous agents at scale with full lifecycle management and observability — enabling teams to deploy, monitor, and improve agents in production.

Open Source superagi.comVisit ↗

06 RAG & Retrieval

Haystack AgentsUpdated

Bring together search, reasoning, and AI to provide intelligent agent capabilities.

Open Source haystack.deepset.aiVisit ↗

07 RAG & Retrieval

LlamaIndex

Connecting LLMs with structured and unstructured data sources for intelligent data retrieval — the go-to framework for building knowledge-augmented AI applications.

Open Source llamaindex.aiVisit ↗

08 Enterprise-Grade

Semantic Kernel

Lightweight, open-source development kit that lets you easily build AI agents and integrate the latest AI models into C#, Python, or Java codebases — efficient middleware for enterprise-grade solutions.

Open Source learn.microsoft.comVisit ↗

09 Orchestration