Agent frameworksOpen source

Agent Development Kit (ADK)

by Google

Google's open toolkit for building and running agents.

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Best for

Agents on Google's cloud, including Kotlin and Android.

How to choose · Agent frameworks

Start with the simplest loop you can write yourself. Adopt a framework only for a feature you need, and keep your own logic separate.

Learn to use tools like this

A shared standard for connecting AI apps to tools and data.

Build teams of AI agents with defined roles.

Popular code libraries for building AI apps, including LangGraph for step-by-step agent flows.

A toolkit focused on connecting AI to your own documents and data.