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Top Rated AI Agent Builder Software with Free - Page 3

Last updated: November 2026

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71 software options

StackAI logo
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Cloud-based AI agent platform for enterprises

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StackAI is a cloud-based, no-code enterprise platform for building, deploying, and governing AI agents and workflow automations across.

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Agentuity logo
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Full-Stack Platform for AI Agents

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Agentuity is the full-stack cloud platform built for AI agents. Build, deploy, and scale agents with built-in storage, databases, sandboxes, an AI gateway, observability, and evals — all included. Deploy on our cloud, VPC, or on-prem.

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Retell AI logo
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AI voice agent platform for phone automation

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Retell AI is an artificial intelligence voice agent platform designed for phone call automation. The platform features real-time conversational capabilities with low-latency speech recognition, enabling natural phone interactions for customer support, lead qualification, and receptionist functions. It includes call transfer functionality, appointment booking, knowledge base integration, and batch calling capabilities with branded caller identification and verified phone numbers.

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Siesta AI logo
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Context infrastructure for governed AI agents

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Context infrastructure and a model-independent AI agent platform for processing unstructured information and executing data-heavy business processes through governed, source-grounded workflows.

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Podium ADE logo
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Myna logo
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Cloud-based AI agent platform for service businesses

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Myna is a cloud-based AI communications platform for small to mid-size service businesses to build, train, and deploy conversational.

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Brixel logo
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No-code workflow automation platform

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Brixel enables users to create complex workflows through natural language descriptions rather than traditional coding or drag-and-drop interfaces. The platform automatically connects over two hundred integrations including Gmail, Slack, and AI agents like ChatGPT, allowing users to centralize their processes without technical skills. Each workflow becomes a reusable building block that can be triggered automatically based on conditions or schedules.

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SimplAI logo
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Operating system for enterprise AI agents

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SimplAI is an OS for agentic AI, enabling enterprises to build, orchestrate, and govern AI agents across cloud, on-premises, and air-gapped environments. It offers an agent builder for modular agents with roles and memory, workflow automation, and multi-agent orchestration with lifecycle control. SimplAI ensures security with runtime isolation, role-based access, audit trails for compliance, and enterprise system integration.

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Zapier Agents logo
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Custom AI agents for automated business tasks

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Zapier Agents is an AI automation platform that enables users to create custom AI assistants to perform tasks across more than eight thousand integrated applications. The platform connects to live business data and allows agents to handle various functions including lead enrichment, customer support responses, meeting preparation, and content creation. Agents can operate autonomously to complete workflows and sync automatically with updated data from connected systems.

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Agentivity logo
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No-code AI agent teams for any business size

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Cloud and self-hosted no-code platform for building collaborative AI agent teams across HR, Finance, Marketing, and Operations.

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Airia logo
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AI orchestration and governance platform

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Airia is an enterprise AI platform that unifies orchestration, security, and governance in a single solution. The platform enables organizations to build, deploy, and manage AI agents across enterprise systems while maintaining visibility and control. Features include an agent builder, prototyping studio, AI discovery, routing engine, inventory management, risk classifications, and compliance reporting capabilities.

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Kalcend logo
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AI agent builder for support sales and operations

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Kalcend is a no-code platform that enables users to create autonomous AI agents through text prompts rather than traditional coding or workflow building. The software deploys AI agents across multiple channels including WhatsApp, Slack, voice calls, web chat widgets, and email to handle customer support, sales outreach, and internal operations. It includes a sandboxed testing environment and integrates with over forty business tools such as HubSpot, Google Calendar, Stripe, and Notion.

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Turtle AI Coworker logo
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AI employees for any department, governed at runtime

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Turtle AI Coworker is a platform for hiring AI employees, agent teams and automations that run the repeatable work of any department. Every action is logged, risky actions wait for human approval, budgets cap the spend, and every run produces a complete audit trail with cost tracking.

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Codemaya logo
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AI agents & custom software for startups

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CodeMaya offers custom software development for autonomous AI agents, web platforms, and mobile apps for startups and businesses. Services include native iOS/Android apps, cross-platform solutions with Flutter, and scalable SaaS platforms using Angular, Next.js, and React. CodeMaya provides chatbot integration, UI design, business intelligence tools, SEO, and fractional CTO consulting for industries like FinTech, healthcare, and eCommerce.

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ToolJet logo
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Open-source low-code app builder for all businesses

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Cloud and self-hosted open-source low-code platform for building full-stack internal tools, supporting AI-native workflows.

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Valo logo
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Local AI workspace for developers and creators

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Desktop AI workspace for Mac, Windows, and Linux with multi-job orchestration, encrypted secrets, and local model support.

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Onpilot logo
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AI agent platform for workflow automation

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Onpilot is an AI agent platform that connects to enterprise systems including ERPs, CRMs, support tools, and APIs to automate business workflows. The platform features multi-tenant deployment options, human-in-the-loop approval workflows, and security controls with audit logging and granular permissions. Onpilot integrates with tools such as Salesforce, Slack, Microsoft Teams, and Jira, and can be deployed as white-label agents within websites, dashboards, or messaging platforms.

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Collio logo
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AI workspace with chat tools, workflow automation

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Collio is an AI-powered conversational workspace that consolidates business tools into a single chat interface. The platform enables users to create forms, kanban boards, link-in-bio pages, to-do lists, and generate images through text commands without switching between applications. It provides access to multiple AI models and includes specialist agents for functions such as executive strategy, engineering, sales, human resources, product development, and marketing.

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Browserbase logo
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AI agent web automation infrastructure

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Browserbase provides browser automation infrastructure that enables AI agents to interact with websites through real browser sessions. The platform offers search and fetch APIs for web data retrieval, browser-as-a-service capabilities for complex interactions, and scalable sandboxed runtime environments for agent deployments. It includes authentication handling, observability tools for debugging, and open-source frameworks like Stagehand for browser automation tasks.

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Stackra logo
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Website audit tool with prioritized action plans

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Stackra is a website and SEO audit built for small business owners, agencies, and developers.
Run one scan and get a 0–100 Growth Readiness Score, three AI expert reviews, and a prioritized action plan showing what to fix first.

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Flowise logo
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Platform for building AI agents and workflows

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Flowise is an open-source generative AI development platform that enables users to build AI agents and agentic systems through a visual interface. The platform offers modular building blocks for creating multi-agent systems, chatbots, and chat assistants with features including workflow orchestration, tool calling, and knowledge retrieval from various data sources. Flowise supports integration through APIs, SDKs, and embedded chat widgets, and includes execution traces with observability tools.

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