Compare the Top Free AI Agent Builders as of September 2026

What are Free AI Agent Builders?

AI agent builders are tools, platforms, or frameworks designed to create, train, and deploy intelligent virtual agents capable of performing tasks autonomously. These builders provide resources for natural language processing, decision-making algorithms, and machine learning, enabling agents to interact with users effectively. They often include user-friendly interfaces or APIs to customize behaviors, integrate with existing systems, and adapt to specific use cases. AI agent builders are widely used across industries, including customer service, healthcare, education, and entertainment, to enhance efficiency and user experience. By leveraging these tools, developers and businesses can rapidly create sophisticated agents tailored to their unique needs. Compare and read user reviews of the best Free AI Agent Builders currently available using the table below. This list is updated regularly.

  • 1
    Jotform

    Jotform

    Jotform

    Jotform AI Agent Builder is a powerful tool that allows businesses to create and customize AI-powered customer service agents without coding. With this tool, businesses can easily design AI agents that handle tasks like guiding users through forms, answering frequently asked questions, scheduling appointments, and sending automated emails. The AI agents can be deployed across various communication channels, including phone, chat, and messaging apps like WhatsApp and Messenger. Jotform AI Agent Builder provides complete customization options, enabling businesses to adjust the agent’s tone, behavior, and appearance to align with their brand. With multi-language support and 24/7 availability, these AI agents improve efficiency, reduce response times, and enhance customer satisfaction.
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    Starting Price: $34 per month
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  • 2
    Retool

    Retool

    Retool

    Retool is the AI-native enterprise app development platform where teams build and ship production-ready apps — at AI speed, with enterprise governance built in. Describe what you need and get a working app, import React-based apps from Lovable, Replit, or Claude Code, or connect your AI agent via MCP. However your team builds, every app lands in Retool with RBAC, SSO, audit logging, and your existing permissions already in place. Retool connects to databases, APIs, LLMs, and external tools out of the box. Teams can build AI agents, dashboards, workflows, and full-stack apps — with a visual editor for speed and direct code access for precision. Trusted by over 10,000 organizations including Amazon, Stripe, DoorDash, and OpenAI to get AI-built apps safely to production.
    Starting Price: $10 per user per month
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  • 3
    Postman

    Postman

    Postman

    The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.
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    Starting Price: $12 per user per month
  • 4
    Zapier

    Zapier

    Zapier

    Zapier is an AI-powered automation platform designed to help teams safely scale workflows, agents, and AI-driven processes. It connects over 8,000 apps into a single ecosystem, allowing businesses to automate work across tools without writing code. Zapier enables teams to build AI workflows, custom AI agents, and chatbots that handle real tasks automatically. The platform brings AI, data, and automation together in one place for faster execution. Zapier supports enterprise-grade security, compliance, and observability for mission-critical workflows. With pre-built templates and AI-assisted setup, teams can start automating in minutes. Trusted by leading global companies, Zapier turns AI from hype into measurable business results.
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    Starting Price: $19.99 per month
  • 5
    UiPath

    UiPath

    UiPath

    Become a fully automated enterprise™ with the UiPath Platform. A fully automated enterprise is a digitally transformed enterprise. Create business resilience, speed, and agility, and unburden people from mundane work with the automation platform that has it all. Use the data from your business applications (like ERP and CRM) to give you a detailed understanding of complex business processes. You’ll know what to automate and how to do it best—and be able to prove impact, too. UiPath is an innovative Robotic Process Automation (RPA) and process mining enterprise platform that empowers organizations to efficiently automate business processes, helping companies become digital businesses faster and gain a valuable advantage on their path to AI. Scalable, extensible, and sustainable, UiPath lets users design their own workflows visually--no scripting or coding required. The platform also features full auditing capabilities, advanced analytical reporting, and customizable dashboards.
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    Starting Price: $3990.00/year/user
  • 6
    Automation Anywhere

    Automation Anywhere

    Automation Anywhere

    Automation Anywhere is the leader in Agentic Process Automation (APA), putting AI to work across organizations. The company’s platform is powered with specialized AI agents, generative AI, and offers process discovery, RPA end-to-end process orchestration, document processing and analytics, with a security and governance-first approach. Automation Anywhere empowers organizations worldwide to unleash productivity gains, improve customer experiences and create new revenue streams. The company is guided by its vision to fuel the future of work by unleashing human potential through Agentic AI-powered automation.
    Starting Price: $750.00
  • 7
    Devin

    Devin

    Cognition AI

    Devin is an AI-driven software development assistant designed to collaborate with engineering teams to automate and accelerate coding tasks. It helps with tasks like setting up repositories, writing code, debugging, and performing migrations, all while working autonomously or alongside human developers. Devin is capable of learning from examples, making it more efficient over time. Its use has led to significant time and cost savings in large-scale projects, as seen in its deployment at Nubank, where it delivered 8-12x faster migrations and reduced costs by over 20x. Devin is particularly useful in refactoring and automating repetitive engineering tasks.
    Starting Price: $20/month
  • 8
    Cohere

    Cohere

    Cohere AI

    Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.
    Starting Price: Free
  • 9
    ToolJet

    ToolJet

    ToolJet

    ToolJet is an AI-powered platform for building full-stack internal apps, enterprise workflows, AI agents, and operational tools in minutes. Users can describe what they need in natural language and generate dashboards, admin panels, CRUD apps, support tools, and other internal applications. The platform includes an AI app builder, workflow automation agents, a built-in PostgreSQL database, visual builders, code support, and more than 80 integrations. Teams can connect databases, APIs, SaaS tools, cloud storage, AI models, and enterprise systems to build apps that automate real business processes. ToolJet supports self-hosting, cloud deployment, managed on-premise delivery, custom plugins, SSO, RBAC, audit logs, encryption, MFA, and compliance requirements such as SOC 2, GDPR, and ISO 27001. Built for enterprise development teams, ToolJet helps organizations ship secure internal apps faster while keeping control over infrastructure, data, and customization.
    Starting Price: $79/builder/month
  • 10
    Steel.dev

    Steel.dev

    Steel.dev

    ​Steel is an open source browser API that lets you control fleets of browsers in the cloud. From large-scale scrape jobs to fully autonomous web agents, Steel makes it easy to run browser automation in the cloud. Spin up on-demand browser sessions with a simple API call. Built-in CAPTCHA solving that keeps your automation flowing. Simple controls to never worry about getting flagged as a bot again. The average session starts in less than 1s when the client is in the same region. Run for a minute or several hours, each session can run up to 24 hours. Save and inject cookies and local storage to pick up where you left off. Easily run your Puppeteer, Playwright, or Selenium in the cloud. Session Viewer lets you view and debug live or recorded sessions.
    Starting Price: $99 per month
  • 11
    Gobii

    Gobii

    Gobii

    Gobii is a cloud-hosted platform that enables you to spin up fully managed browser-automation agents via API, allowing tasks like web-based research, form-filling, data extraction, and multi-step workflows to be automated at scale. These agents operate like “always-on employees” that can browse websites, even those without APIs, navigate dynamic content, handle JavaScript, and even rotate proxies automatically. Users can create agents, assign them prompts or tasks, and retrieve structured JSON outputs or live previews of the agent’s browser actions. Gobii supports synchronous and asynchronous task execution, secret handling for things like login credentials, schema-enforced output validation, and integrates with popular programming languages (Python, Node.js) for seamless implementation. The platform emphasises scalability (hundreds of tasks in parallel), enterprise-grade security (audit logs, proxies, task management), and a simple developer experience.
    Starting Price: $30 per month
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    BuildShip

    BuildShip

    BuildShip

    BuildShip is a lowcode visual backend builder that lets you ship APIs, scheduled jobs, AI workflows, cloud jobs instantly. Connect with any database, tools and AI models to create complete backend logic flows. Use prebuilt nodes or use AI to create custom logic nodes just for you. By combining the ease of nocode with power of low-code extensibility - BuildShip gives you a scalable way to build your backend fast. Supports powerful use-cases like: 💸 Collect payment and trigger Stripe, RevenueCat, Lemon Squeezy for subscription workflows 🪄 Trigger AI workflows and build AI apps' backend 🔌 Creating APIs for processing your data and CRUD ops on database 📝 Send form submission data to third party tools 🤖 Add AI Assistant Chatbot with OpenAI, Azure, Claude, Groq or any model 💌 Email users, generate leads, enrich data The possibilities are endless with BuildShip ✨
    Starting Price: $25 per month
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    DronaHQ

    DronaHQ

    DronaHQ

    DronaHQ is a composite no-code and AI platform for building internal apps, voice workflows, and agentic workflows. The platform includes DronaHQ Apps, which helps teams create production-grade internal tools with built-in security, permissions, and reliability. Users can build applications through vibe coding, low-code development, prompts, and connected data sources. DronaHQ Agents helps teams create an agentic workforce that connects to enterprise systems and data to execute operational work. The platform is designed to support enterprise teams that need app development, AI agents, integrations, governance, and workflow automation in one environment. Built for speed and flexibility, DronaHQ helps organizations turn business needs into secure apps and operational agents without relying only on traditional software development.
    Starting Price: $0/month
  • 14
    SuperAGI SuperCoder
    SuperAGI SuperCoder is an open-source autonomous system that combines AI-native dev platform & AI agents to enable fully autonomous software development starting with python language & frameworks SuperCoder 2.0 leverages LLMs & Large Action Model (LAM) fine-tuned for python code generation leading to one shot or few shot python functional coding with significantly higher accuracy across SWE-bench & Codebench As an autonomous system, SuperCoder 2.0 combines software guardrails specific to development framework starting with Flask & Django with SuperAGI’s Generally Intelligent Developer Agents to deliver complex real world software systems SuperCoder 2.0 deeply integrates with existing developer stack such as Jira, Github or Gitlab, Jenkins, CSPs and QA solutions such as BrowserStack /Selenium Clouds to ensure a seamless software development experience
    Starting Price: Free
  • 15
    Jet Admin

    Jet Admin

    Jet Admin

    Combine different UI components to get the functionality you need. Set advanced business logic through workflows and formulas. No design or coding required. Visualize and act on your data using tables, forms, buttons, charts and more. Change themes and set custom branding on a go. Set granular permissions to control how your team, partners or customers interact with the app’s data. Share your app with collegues and customers, collaborate on tasks and set approval workflows. Connect data from DBs, business tools, and APIs to streamline your operations. Jet provides powerful developer tools to extend your applications with code and queries. Create your own components with HTML/CSS, Javascript, React, Angular or Vue. Create custom SQL or HTTP queries to implement custom actions, tables, forms, and more. Perform calculations, parse responses with formulas and Java Script. Build apps for Operations, Customer service, Sales and other teams to support daily internal operations.
    Starting Price: $24 per month
  • 16
    Appsmith

    Appsmith

    Appsmith

    Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.
    Starting Price: $15/user/month
  • 17
    Latenode

    Latenode

    Latenode

    Latenode offers no-code simplicity, full-code power, and AI intelligence. Build and automate interactions between any services that have APIs. Use no-code nodes, or write your own code. Instead of spending time searching for the necessary API and going through the documentation, simply voice your request to the AI assistant and receive ready-made code. Latenode is a powerful data platform designed to simplify the integration of various marketing tools. It provides an integrated system that eliminates data discrepancies and enhances operational efficiency through seamless integration. Ready-made connectors for popular SaaS services or custom code for complete freedom. Send a Slack notification to your team and an email confirmation to the client. Use conditional logic to route your scripts based on incoming data. Use a cloud-based API building kit to create workflows that connect any applications.
    Starting Price: $17 per month
  • 18
    Activepieces

    Activepieces

    Activepieces

    Activepieces is an AI-powered, open-source, no-code automation platform designed to help teams streamline workflows and integrate AI seamlessly into everyday tasks. With over 280 pre-built automations (MCPs), Activepieces allows users to connect to popular apps, trigger processes, and even create personalized AI agents with minimal effort. The platform includes features like human input for approvals, a robust automation builder, and AI-assisted code for more advanced workflows. It empowers decentralized teams by offering tools for collaboration, governance, and security, making it suitable for organizations of all sizes, from startups to enterprises.
    Starting Price: $25/month
  • 19
    Pipedream

    Pipedream

    Pipedream

    The fastest way to integrate APIs and run code. Pipedream is a serverless integration and compute platform that makes it easy to connect apps and develop event-driven workflows. Event sources turn any API into a real-time event stream. Create event sources to listen for new Tweets, Github events, Airtable records, RSS items, webhook events and more. Inspect events in a human-friendly way, trigger Node.js workflows on every event, or consume events in your own app via API. Workflows are composed of Node.js code steps that run on every event. Write your own Node.js (and use any npm package) or reuse actions that scaffold popular APIs. Trigger via sources or a custom URL, email address, SDK code or schedule. Auth apps once, connect to those apps in any workflow. Pipedream supports OAuth and key-based auth, and handles the OAuth flow and token refresh for you. Just link accounts to steps and reference the relevant auth info in code.
    Starting Price: Free
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