The best fit-framework alternatives

composio

ComposioHQ/composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Choose composio if…

• you would rather work in TypeScript than Java
• you want the more widely starred option (30.9k)
• you want the more recently updated codebase
• you specifically need agents or ai-agents

Shares agentic-ai, ai, python with fit-framework.

core

cheshire-cat-ai/core

AI agent microservice

Choose core if…

• you would rather work in Python than Java
• GNU General Public License v3.0 suits your use better than MIT License
• you want the more recently updated codebase
• you specifically need ag-ui-protocol or agent

Shares ai, plugin, python with fit-framework.

AutoGPT

Significant-Gravitas/AutoGPT

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Choose AutoGPT if…

• you would rather work in Python than Java
• you want the more widely starred option (187.9k)
• you want the more recently updated codebase
• you specifically need agents or artificial-intelligence

Shares agentic-ai, ai, python with fit-framework.

dify

langgenius/dify

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

Choose dify if…

• you would rather work in TypeScript than Java
• you want the more widely starred option (160.3k)
• you want the more recently updated codebase
• you specifically need agent or agentic-framework

Shares agentic-ai, ai, python with fit-framework.

OpenMontage

calesthio/OpenMontage

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

Choose OpenMontage if…

• you would rather work in Python than Java
• GNU Affero General Public License v3.0 suits your use better than MIT License
• you want the more widely starred option (75.7k)
• you want the more recently updated codebase

Shares agentic-ai, ai, python with fit-framework.

haystack

deepset-ai/haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

Choose haystack if…

• you would rather work in Python than Java
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (26.9k)
• you want the more recently updated codebase

Shares agentic-ai, ai, python with fit-framework.

GenAI_Agents

NirDiamant/GenAI_Agents

50+ tutorials and implementations for Generative AI Agent techniques, from basic conversational bots to complex multi-agent systems.

Choose GenAI_Agents if…

• you would rather work in Jupyter Notebook than Java
• you want the more widely starred option (24.8k)
• you want the more recently updated codebase
• you specifically need agents or ai-agents

Shares agentic-ai, ai, python with fit-framework.

harness-sdk

strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

Choose harness-sdk if…

• you would rather work in Python than Java
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (9.0k)
• you want the more recently updated codebase

Shares agentic-ai, ai, python with fit-framework.

codefather

liyupi/codefather

程序员鱼皮的编程宝典 ⭐️ 2026年最全编程学习路线图！包含Java学习路线、前端学习路线、Python学习路线、C++学习路线、算法学习路线、计算机基础学习路线、AI应用开发学习路线、AI Agent开发学习路线等。提供编程入门教程、AI大模型应用开发教程、RAG开发实战、MCP开发教程、Prompt工程指南、LLM应用开发、技术知识分享、学习资源推荐、项目实战教程、热门面试题、求职经验、简历优化、编程自学指南等内容，适用于所有零基础学编程、学习AI开发、转行程序员、计算机专业学生、求职找工作的同学 💎 编程学习，就来编程导航！

Choose codefather if…

• you would rather work in TypeScript than Java
• you want the more widely starred option (9.0k)
• you want the more recently updated codebase
• you specifically need ai-agents or algorithm

Shares ai, java, python with fit-framework.

mianshiya

liyupi/mianshiya

持续维护的企业面试题库网站，帮你拿到满意 offer！⭐️ 2026年最新Java面试题、前端面试题、AI大模型面试题、AI Agent面试题、RAG面试题、C++面试题、Go面试题、Python面试题、测试面试题、运维面试题、后端面试题、操作系统面试题、计算机网络面试题、Redis面试题、MySQL数据库面试题、算法面试题、Spring面试题、JVM面试题、Java并发面试题、Linux面试题、LLM面试题、Prompt工程面试题、系统设计面试题等1万多道高频程序员求职必备八股文。面试刷题就选面试鸭 💎 React 前端 + Node 后端 + 云开发全栈项目 by 程序员鱼皮

Choose mianshiya if…

• you would rather work in TypeScript than Java
• you want the more widely starred option (6.0k)
• you specifically need ai-agents or algorithm

Shares ai, java, python with fit-framework.

koog

JetBrains/koog

Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems

Choose koog if…

• you would rather work in Kotlin than Java
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (4.6k)
• you want the more recently updated codebase

Shares agentic-ai, ai, java with fit-framework.

embabel-agent

embabel/embabel-agent

Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/

Choose embabel-agent if…

• you would rather work in Kotlin than Java
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (4.5k)
• you want the more recently updated codebase

Shares agentic-ai, ai, java with fit-framework.