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Google ADK Alternatives

Open-source agent development kit from Google for building multi-agent systems

Google Agent Development Kit (ADK) is an open-source framework for building multi-agent AI systems. It supports Python, TypeScript, Java, and Go with model-agnostic design via LiteLLM.

Explore 44 alternatives to Google ADK across 2 categories. Each tool listed below shares at least one category with Google ADK.

🕵️‍♀️ Agents

AG2

Community-driven multi-agent framework forked from AutoGen with backward-compatible API

Open Source

AgentOps

Build compliant AI agents with observability, evals, and replay analytics.

Free Trial

AutoGen

Microsoft's framework for building multi-agent AI applications with event-driven messaging

Open Source

Browserbase

Cloud browser infrastructure for AI agents with stealth mode, proxies, and session management

Free Trial

Composio

Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution

Open Source Free Trial

CrewAI

Framework for orchestrating role-playing, autonomous AI agents.

Open Source

Dust

The operating system for AI agents

Open Source Free Trial

E2B

Open-source cloud sandboxes for running AI-generated code securely in Firecracker microVMs

Open Source Free Trial

Fixie

The fastest way to build conversational AI agents

Open Source Free Trial

Langdock

GDPR-compliant enterprise AI platform with multi-LLM access and agents

Free Trial

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source

Letta

Framework for building stateful AI agents with persistent memory, formerly MemGPT

Open Source Free Trial

LiveKit Agents

Open-source framework for building real-time voice and multimodal AI agents over WebRTC

Open Source Free Trial

LLM Browser

Enable your AI agents to access any website without worrying about captchas, proxies and anti-bot challenges

Open Source Free Trial

Mastra

TypeScript-first AI framework for building agents, RAG pipelines, and workflows

Open Source Free Trial

n8n

AI workflow automation with 400+ integrations and native AI agents

Free Trial

OpenAI Agents SDK

Official OpenAI framework for building production AI agents with tool use and guardrails

Open Source Free Trial

PrivateClawd

Managed cloud hosting for OpenClaw AI agents with dedicated VMs, browser automation, and messaging integrations

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source

Semantic Kernel

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Open Source

Smolagents

Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls

Open Source

Stagehand

AI-powered browser automation framework with natural language actions, extraction, and observation

Open Source

Superagent

Prototype and deploy agents powered by large language models.

Open Source Free Trial

🏗️ Frameworks & Stacks

Dify

Easily build and operate generative AI applications. Create Assistants API and GPTs based on any LLMs.

Open Source Free Trial

DSPy

Framework for programming, not prompting, language models with automatic prompt optimization

Open Source

Haystack

The Production-Ready Open Source AI Framework.

Open Source

Hugging Face

The open-source AI platform with 500K+ models, inference endpoints, and fine-tuning tools

Open Source Free Trial

Instructor

Structured data extraction from LLMs using Pydantic models with automatic validation and retries

Open Source

LangChain

LangChain gives developers a framework to construct LLM‑powered apps easily.

Open Source Free Trial

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source

LiteLLM

Unified OpenAI-compatible proxy for 100+ LLM providers with cost tracking and load balancing

Open Source Free Trial

LlamaIndex

LlamaIndex is a simple, flexible data framework for connecting custom data sources to large language models.

Open Source

LLM Browser

Enable your AI agents to access any website without worrying about captchas, proxies and anti-bot challenges

Open Source Free Trial

Mastra

TypeScript-first AI framework for building agents, RAG pipelines, and workflows

Open Source Free Trial

Modular

We rebuilt the modern AI software stack, from the ground up, to boost any AI pipeline, on any hardware.

Free Trial

Ollama

Run large language models locally with a single command

Open Source Free Trial

phidata

Build an AI App in minutes using pre-built templates.

Open Source Free Trial

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source

Semantic Kernel

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Open Source

Spring AI

Spring framework for building AI-powered Java applications with portable model and vector store abstractions

Open Source

Stagehand

AI-powered browser automation framework with natural language actions, extraction, and observation

Open Source

Vercel AI SDK

Open-source TypeScript toolkit for building AI applications with streaming, tool calling, and agents

Open Source

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