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The best Composio alternatives

8 tools that do a similar job to Composio, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

Composio

SDK for building AI agents that can take actions in 1000+ apps via pre-authenticated tools.

  1. 1

    LangChain

    Open source · MIT · ★ 149k

    A Python framework for building AI agents and apps powered by language models.

    Best for: Python developers building LLM-powered applications; Teams that want to switch between model providers without rewriting code

    Full review Composio vs LangChain
  2. 2

    LlamaIndex

    Open source · MIT · ★ 52.8k

    Python framework for building LLM apps that query your own documents and data.

    Best for: Python developers building retrieval-augmented generation (RAG) apps over private documents; Teams wanting a modular toolkit where they can swap LLM, embedding and vector store providers

    Full review Composio vs LlamaIndex
  3. 3

    CrewAI

    Open source · MIT · ★ 60.4k

    Python framework for building teams of role-playing AI agents that work together on tasks.

    Best for: Python developers prototyping multi-agent workflows; Teams that want role-based agents collaborating on a task

    Full review Composio vs CrewAI
  4. 4

    Botpress

    Open source · MIT · ★ 15k

    Open-source tools to build and deploy chatbots and LLM agents, centred on Botpress Cloud.

    Best for: Developers who want to write integrations and bots as TypeScript code using the Botpress CLI and SDK; Teams already using Botpress Cloud who want to publish or deploy their own integrations

    Full review Composio vs Botpress
  5. 5

    promptfoo

    Open source · MIT · ★ 26.7k

    CLI and library for testing LLM prompts and red-teaming AI apps, with declarative configs.

    Best for: Developers building apps on top of LLM APIs who want repeatable prompt tests; Teams comparing several models side by side on the same prompts

    Full review Composio vs promptfoo
  6. 6

    Portkey AI Gateway

    Open source · MIT · ★ 13.3k

    Open-source gateway that routes requests to many AI models through one API, with guardrails.

    Best for: Developers who call several LLM providers and want one OpenAI-style interface; Teams that want automatic retries or fallbacks when a model provider fails

    Full review Composio vs Portkey AI Gateway
  7. 7

    ECC

    Open source · MIT · ★ 295k

    A set of skills, memory, and security rules that makes AI coding agents work more carefully.

    Best for: Developers who already use Claude Code and want a shared workflow for planning, testing and review; Teams that want consistent agent behavior across several coding tools

    Full review
  8. 8

    Our Free Model

    Open source · MIT · ★ 56.6k

    A dsh plugin that gives access to hosted AI models without a login or API key.

    Best for: Developers who already use dsh and want to try models without creating accounts or keys; People who want to compare several hosted models inside one agent tool

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Composio. We don't take payment for placement.