Architecture layer
Orchestration
Frameworks that coordinate agent logic, tool use, and decision flow
Part of an AI agent architecture— design the blueprint first, then pick tools for this layer.
orchestration.md4
tools
LangChain
FeaturedOpen Source
The most widely-adopted framework for building LLM-powered applications and agents
open-sourcepython
LlamaIndex
FeaturedOpen Source
The data framework for building LLM applications over custom knowledge sources
open-sourcepython
Graphify
Freemium
Turn any codebase into a queryable knowledge graph.
ai-agentscode-analysis
Open Multi-Agent
Open Source
TypeScript AI agent orchestration framework with dynamic workflows.
typescriptai-agents