Open source AI agent builder - AI tools

Agency offers tools and expertise to assist teams in building, prototyping, and deploying reliable AI agents, supported by the AgentOps observability platform.

• Contact for Pricing

AgentOS is an open-source platform for building and deploying multi-agent systems. It simplifies agent construction, orchestration, and human-AI collaboration.

• Free

Go Agent SDK is an open-source Software Development Kit for building, deploying, and orchestrating sophisticated AI agent-based applications using the Go programming language.

• Free

Agentflow is an AI agent framework that allows users to create and execute AI agents and workflows using natural language and Markdown. It offers flexible AI integrations, a powerful tool ecosystem, and a developer-friendly CLI.

• Free

OAK (Open-Agent-Kit) is an open-source platform enabling developers to rapidly build, customize, and deploy AI agents with support for multiple LLMs and a flexible plugin system.

• Freemium
• From 13$

Virtuals.io is an ecosystem for building, deploying, and co-owning autonomous AI agents, featuring a development framework (GAME) and a blockchain-based commerce protocol (ACP).

• Other

Agience is an open-source, decentralized platform allowing users to build, deploy, and manage intelligent AI agents using code or no-code tools.

• Contact for Pricing

SmythOS is a no-code platform that enables rapid AI agent creation and deployment. It offers a visual builder, universal API integration, and pre-built agent templates for various use cases.

• Freemium

Cloudflare Agents provides a robust platform for developers to build agentic AI applications, utilizing Cloudflare's infrastructure for durable execution and serverless inference.

• Usage Based

Agentive Hub is a resource platform to discover, learn about, and deploy AI agents. Explore AI tools, tutorials, and connect with a community to enhance automation and productivity.

• Free

Vestra AI is a platform enabling users to build, deploy, and manage custom AI agents using natural language, without coding. Explore pre-built agents or create unique ones for task automation.

• Usage Based

Eidolon AI is an enterprise-grade, open-source framework that enables developers to rapidly build and deploy genAI applications. It functions as an AI Agent Server, providing a secure and scalable solution for agentic applications.

• Other

Browseragent allows users to create custom AI agents that run directly in their browser using a no-code workflow builder, offering unlimited runs, enhanced privacy, and cost savings.

• Freemium
• From 20$

FloAI simplifies the creation of AI agent architectures, offering a flexible, modular approach for building sophisticated, agent-based applications.

• Free

xpander.ai is an AI Agent Builder platform designed for engineers to create, deploy, and manage production-grade AI agents for any use case.

• Contact for Pricing

Nelly is an AI agent platform allowing users to build, use, and share AI agents for tasks ranging from simple to complex workflows without coding.

• Freemium
• From 9$

NEAR AI develops open-source infrastructure and tools for a user-owned AI future, including a Developer Hub and Agent Protocol.

• Free

AgentForge is a comprehensive NextJS boilerplate platform that enables developers to build, deploy, and test AI applications with pre-built agents, customizable workflows, and integrated tools like LangChain, Langgraph, and OpenAI.

• Pay Once

FIDAME enables users to create multi-agent AI applications and automations by connecting data sources and utilizing pre-designed AI agents for complex tasks.

• Freemium

Agno is an open-source platform for building, deploying, and monitoring AI agents. It allows developers to create high-performance agents with memory, knowledge, and tool integration capabilities.

• Free

SwarmZero is a platform for building, deploying, and monetizing AI agents. It offers a marketplace (Agent Hub) where users can access and utilize developer-created agents.

• Paid
• From 15$

Cheshire Cat AI is a framework for building, training, and deploying customizable AI agents. It allows users to train agents on their documents and connect them to external APIs and applications.

• Free

Browserable is an open-source JavaScript library designed for building AI agents capable of automating browser tasks like navigation, form filling, and data extraction. It offers high performance, self-hosting options, and easy integration via JS SDK or REST API.

• Free