LangChain.js

js.langchain.com

A popular JavaScript/TypeScript framework for building AI-powered applications, supporting multiple model providers and agent workflows.

Firebase Genkit

genkit.dev

An open-source toolkit by Google for building AI features into TypeScript/JavaScript apps, with multi-provider support and workflow orchestration.

Mastra

mastra.dev

A TypeScript-native AI agent framework with built-in integrations, observability, and developer tools, designed for rapid production deployment.

LangGraph

langgraph.com

A graph-based workflow framework for AI agents, supporting TypeScript and offering explicit control over multi-step, branching tasks.

OpenAI Agents SDK

platform.openai.com

An official SDK for building AI agents with OpenAI models, providing integrated tools and high-level orchestration for developers.

Smolagents

smol.ai

A minimal, code-centric agent framework for quick automation tasks, supporting direct code execution and simple setup.

CrewAI

crewai.com

A multi-agent collaboration framework enabling parallel workflows and memory, suitable for complex tasks with specialized agents.

AutoGen

autogen.io

An asynchronous multi-agent chat framework for real-time, event-driven AI interactions and concurrent agent conversations.

Semantic Kernel

semantickernel.ai

A skill-based, enterprise-grade AI orchestration framework supporting multiple languages and robust integrations, especially for .NET ecosystems.

LlamaIndex Agents

llamaindex.ai

A retrieval-augmented agent framework with integrated indexing, designed for data lookup, retrieval, and knowledge fusion in AI applications.