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Alternatives to Google Agent Development Kit (ADK)

Google Agent Development Kit (ADK) is an agent framework by Google: Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match Google Agent Development Kit (ADK) and by our rank, which weighs adoption, freshness and documentation; money never changes the order. ADK for Go leads the list (8.9K GitHub stars; active in the last 30 days). Each entry shows data reasons to switch, and you can open a side-by-side comparison with Google Agent Development Kit (ADK).

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

You're replacing

Google Agent Development Kit (ADK)

Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic.

12 alternatives

Ordered by how closely each matches Google Agent Development Kit (ADK) (shared product, category or stated alternative) and by rank.

  1. 1
    ADK for Go

    Google

    Code-first Go toolkit for building agents with a tool ecosystem, composable multi-agent systems and Cloud Run deployment.

    • 8.9K GitHub stars
    • Active in the last 30 days

    ★ 8.9KLast active Oct 23, 2026

  2. 2
    ADK for TypeScript

    Google

    TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.

    • 1.4K GitHub stars
    • Active in the last 30 days

    ★ 1.4K↓ 143.5K/wkLast active Oct 23, 2026Compare →

  3. 3
    Ax

    Ax

    DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.

    • Supports c++ and Rust

    ★ 3K↓ 27.2K/wkLast active Oct 21, 2026Compare →

  4. 4
    LangGraph

    LangChain

    Low-level Python orchestration framework for long-running stateful agents, with durable execution, human review points and short- and long-term memory.

    • Most GitHub stars here (43,823)
    • Most weekly downloads here (13.1M)

    ★ 43.8K↓ 13.1M/wkLast active Oct 24, 2026Compare →

  5. 5
    Mastra

    Mastra

    TypeScript framework for AI agents and apps with graph-based workflows, memory, suspend-and-resume approvals, MCP servers and model routing.

    • 29.1K GitHub stars
    • Active in the last 30 days

    ★ 29.1K↓ 1.4M/wkLast active Oct 24, 2026Compare →

  6. 6
    Pydantic AI

    Pydantic

    Typed Python SDK for building agents with swappable model providers, plus optional capabilities for memory, sub-agents, planning and durable execution.

    • 20.8K GitHub stars
    • Active in the last 30 days

    ★ 20.8K↓ 1.5M/wkLast active Oct 24, 2026Compare →

  7. 7
    Eino

    CloudWeGo (ByteDance)

    Go framework for LLM applications with chat-model agents, multi-agent coordination, graph workflows and human-in-the-loop resume.

    • 13.4K GitHub stars
    • Active in the last 30 days

    ★ 13.4KLast active Oct 19, 2026

  8. 8
    LangChain4j

    LangChain4j

    Java library with one API over LLM providers and vector stores, plus tools, RAG and integrations for Quarkus and Spring Boot.

    • 13.3K GitHub stars
    • Active in the last 30 days

    ★ 13.3KLast active Oct 23, 2026

  9. 9
    Spring AI Alibaba

    Alibaba

    Java framework for agentic, workflow and multi-agent AI apps, with graph workflows, MCP and A2A support.

    • 11.1K GitHub stars
    • Active in the last 30 days

    ★ 11.1KLast active Oct 7, 2026

  10. 10
    LangChainGo

    LangChainGo

    Go implementation of LangChain for writing LLM-based programs from composable building blocks.

    • 9.7K GitHub stars
    • Active in the last 30 days

    ★ 9.7KLast active Oct 22, 2026

  11. 11
    Spring AI

    Broadcom (Spring)

    Java application framework from the Spring project with portable chat and embedding APIs, tool calling and vector stores.

    • 9.6K GitHub stars
    • Active in the last 30 days

    ★ 9.6KLast active Oct 23, 2026

  12. 12
    Koog

    JetBrains

    Kotlin and Java framework for AI agents with tools, graph workflows, MCP, streaming and multiplatform targets.

    • 4.6K GitHub stars
    • Active in the last 30 days

    ★ 4.6KLast active Oct 13, 2026

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