Browse free open source AI Agent Frameworks and projects below. Use the toggles on the left to filter open source AI Agent Frameworks by OS, license, language, programming language, and project status.
Free and source-available fair-code licensed workflow automation tool
The all-in-one Desktop & Docker AI application with full RAG and AI
A GUI Agent app based on UI-TARS to control your computer using AI
Install and run your own AI agent service
Powerful tool that lets you create and run intelligent agents
Drag & drop UI to build your customized LLM flow
Composio equip's your AI agents & LLMs
AI coding agent that's more than suggestions - install, execute, edit+
Harness LLMs with Multi-Agent Programming
Open-source AI agent framework
Open-source autonomous AI software engineer
Desktop app for prototyping and debugging LangGraph applications
Agent Zero AI framework
One API for plugins and datasets, one interface for prompt engineering
Dev tools to reliably understand text and automate conversations
Make websites accessible for AI agents
A modular high-level library to train embodied AI agents
Letta (formerly MemGPT) is a framework for creating LLM services
Secure open source cloud runtime for AI apps & AI agents
Framework for orchestrating role-playing, autonomous AI agents
Haystack is an open source NLP framework to interact with your data
Open Source AI Automation
An Open-Source Programming Framework for Agentic AI
Build resilient language agents as graphs
The Multi-Agent Framework
Open source AI agent frameworks provide the foundation for building, managing, and deploying intelligent agents that can complete tasks with minimal human involvement. These frameworks supply the essential components needed to connect language models with external tools, data sources, workflows, and business processes. By offering a structured development environment, they help organizations create reliable agents that can automate repetitive work, support decision-making, and improve operational efficiency across many industries.
Modern open source AI agent frameworks often include capabilities for memory management, tool integration, workflow orchestration, planning, and communication between multiple agents. These features make it easier for development teams to design solutions that can respond to changing inputs, retrieve relevant information, and perform actions across connected platforms. Many frameworks also emphasize scalability, allowing organizations to expand agent capabilities as business needs evolve without rebuilding their entire solution.
As artificial intelligence adoption continues to grow, open source AI agent frameworks have become an important part of enterprise technology strategies. Businesses use them to accelerate development, maintain consistent performance, and simplify the creation of advanced automation solutions. Whether supporting customer service, internal operations, research, or productivity initiatives, these frameworks provide the structure needed to build flexible and dependable AI-driven experiences.
The cost of open source AI agent frameworks varies depending on the features provided, deployment model, and the size of the organization using them. Basic options may be available at little to no cost when offered as open source, while commercial offerings often use monthly or annual subscription pricing. More advanced frameworks designed for enterprise environments typically include additional capabilities such as security controls, workflow automation, and scalability, which can increase overall pricing.
Organizations should also account for expenses beyond the initial licensing or subscription fees. Implementation, customization, employee training, ongoing maintenance, and infrastructure requirements can all affect the total cost of ownership. Pricing may also depend on the number of users, the volume of AI workloads, or access to premium support and advanced features. Evaluating both upfront and long-term costs helps businesses choose a framework that aligns with their operational needs and budget.
Open source AI agent frameworks can integrate with many types of software to create connected and efficient workflows. Common integrations include customer relationship management platforms, project management tools, communication applications, and document management solutions. They can also connect with enterprise resource planning systems to exchange operational data across business functions. Analytics platforms are frequently integrated to measure performance, monitor activity, and generate actionable insights.
Many organizations also integrate open source AI agent frameworks with cloud services, database platforms, workflow automation tools, and identity management solutions. Ecommerce platforms, content management systems, and customer support applications can also exchange information with open source AI agent frameworks to automate routine tasks and improve response times. These integrations help reduce manual effort, improve data consistency, and support more streamlined business operations.
Selecting the right AI agent framework starts with defining the goals you want your AI agents to accomplish and the complexity of the tasks they will handle. Consider whether the framework supports the capabilities your organization needs, such as workflow orchestration, memory management, tool integration, multi-agent coordination, or model flexibility. It is also important to evaluate how easily your team can implement, customize, and maintain the framework over time.
Look beyond feature lists by assessing scalability, security, documentation quality, community activity, and long-term development. Make sure the framework integrates well with your existing software and infrastructure to reduce implementation challenges. Testing several options through pilot projects can reveal differences in usability, performance, and reliability. The right AI agent framework should align with your technical requirements, budget, and future growth plans while making it easier to build and manage intelligent AI agents effectively.