List of the Top Free AI Agent Builders in 2025 - Page 4

OWL (Optimized Workforce Learning) is an advanced system designed for the collaboration of multiple agents in automating real-world activities. Built on the CAMEL-AI platform, OWL aims to revolutionize the interaction between AI agents, resulting in improved efficiency, more intuitive communication, and increased resilience in automating tasks across various industries. It distinguishes itself by achieving the highest rank among open-source frameworks on the GAIA benchmark, boasting an impressive score of 58.18. Notable features of OWL encompass real-time information sharing, adaptive task management, and smooth integration with numerous tools and platforms, enabling collaborative AI agents to effectively handle complex tasks. This groundbreaking framework not only enhances operational workflows but also sets the stage for future innovations in automation solutions driven by AI. As organizations continue to adopt AI technologies, OWL represents a significant leap forward in how these systems can work together harmoniously.

Mastra is a developer-friendly TypeScript framework designed to create advanced AI agents that can perform tasks, manage knowledge bases, and persist memory within workflows. By utilizing TypeScript, Mastra offers a robust solution for building scalable AI agents with full control over task execution, user interactions, and data storage. Developers can create intelligent agents that remember past interactions and make informed decisions based on real-time data, making Mastra a perfect tool for building everything from AI assistants to sophisticated automation systems. Its easy setup, scalability, and powerful integration features ensure efficient development cycles for AI-powered solutions.

Agentverse is an intuitive platform designed specifically for the creation, testing, and deployment of customizable AI agents. It boasts a cloud-based integrated development environment that simplifies the agent development journey, allowing users to construct, train, and effortlessly integrate agents into various systems, all without requiring advanced programming expertise. With numerous pre-built agent templates and a wide array of use cases, users can quickly implement and modify agents for diverse applications. Each agent available on the Agentverse platform is documented in the Almanac, which enhances their discoverability and encourages engagement within the Fetch.ai network. The platform also promotes cooperative development through its Teams feature, enabling multiple users to collaborate on projects related to agents. Prioritizing security, Agentverse employs containerized environments to safeguard data and ensure compliance with industry standards. Additionally, it features a marketplace where users can explore and interact with other registered agents, further enriching the ecosystem. This blend of functionalities creates a robust environment that caters to both beginners and seasoned developers eager to explore AI technologies and foster innovation. As a result, Agentverse not only serves as a development tool but also as a vibrant community for AI enthusiasts.

TalkToAgent is a cutting-edge AI-powered platform aimed at assisting businesses in automating visitor interactions, managing inquiries, capturing leads, and providing instantaneous responses without the need for any coding skills. It guarantees continuous engagement, offering swift and intelligent replies that surpass traditional chatbots. Operating tirelessly, it supports sales efforts around the clock, ensuring every potential lead is addressed without delay. The platform leverages artificial intelligence to deliver responses that are specifically tailored to the diverse requirements of different industries, effectively converting visitors into valuable leads. Companies have the option to customize the widget to reflect their branding, which significantly enhances the customer experience. Additionally, TalkToAgent provides extensive analytics, offering insights into chat interactions, landing page effectiveness, and visitor demographics, thus empowering businesses to fine-tune their engagement tactics and drive growth. This unique blend of features not only elevates the quality of interactions but also equips companies with the knowledge needed to make strategic, data-informed choices for their future endeavors. Ultimately, TalkToAgent is revolutionizing the way businesses interact with customers, setting a new standard for engagement in the digital age.

Activepieces is a powerful, open-source automation platform designed to simplify AI-driven workflows for businesses of all sizes. By offering no-code automation tools, users can quickly integrate with over 280 applications and automate complex tasks, including approvals, form entries, and advanced AI agent creation. The platform supports AI-assisted code, decentralized collaboration, and customizable workflows with built-in governance features, making it ideal for teams looking to enhance productivity and maintain security standards. Activepieces offers a community-driven library that continually expands with new automation pieces, ensuring that businesses can stay ahead in an ever-evolving tech landscape.

The Agent Development Kit (ADK) is a modular, open-source framework that empowers developers to create, test, and deploy AI agents using Google’s cutting-edge technologies. Built for seamless integration with Gemini models, ADK supports the creation of simple, task-oriented agents or complex multi-agent systems capable of sophisticated collaboration and coordination. The platform offers advanced features like dynamic routing, pre-built tools for common tasks, and an ecosystem that supports third-party libraries. With flexible deployment options such as Vertex AI, Cloud Run, or local environments, ADK is a robust solution for building scalable, production-ready AI systems.

Agno is an innovative framework tailored for the development of agents that possess memory, knowledge, tools, and reasoning abilities. It enables developers to create a wide array of agents, including those that reason, operate multimodally, collaborate in teams, and execute complex workflows. With an appealing user interface, Agno not only facilitates seamless interaction with agents but also includes features for monitoring and assessing their performance. Its model-agnostic nature guarantees a uniform interface across over 23 model providers, effectively averting the challenges associated with vendor lock-in. Agents can be instantiated in approximately 2 microseconds on average, which is around 10,000 times faster than LangGraph, while utilizing merely 3.75KiB of memory—50 times less than LangGraph. The framework emphasizes reasoning, allowing agents to engage in "thinking" and "analysis" through various reasoning models, ReasoningTools, or a customized CoT+Tool-use strategy. In addition, Agno's native multimodality enables agents to process a range of inputs and outputs, including text, images, audio, and video. The architecture of Agno supports three distinct operational modes: route, collaborate, and coordinate, which significantly enhances agent interaction flexibility and effectiveness. Overall, by integrating these advanced features, Agno establishes a powerful platform for crafting intelligent agents capable of adapting to a multitude of tasks and environments, promoting innovation in agent-based applications.

Swarm represents a cutting-edge educational framework developed by OpenAI, focusing on the exploration of lightweight, ergonomic multi-agent systems. Its architecture emphasizes both scalability and customization, making it particularly suitable for scenarios where multiple independent tasks and instructions are challenging to manage through a single prompt. Operating exclusively on the client side, Swarm functions with a stateless design similar to the Chat Completions API it utilizes, facilitating the creation of scalable and user-friendly solutions without requiring extensive training. While they share a similar name for simplicity, Swarm agents operate independently and are not connected to the assistants found in the assistants API. The framework includes a variety of examples that illustrate key concepts such as setup, function execution, handoffs, and context variables, along with more complex applications like a multi-agent setup tailored to handle a wide range of customer service inquiries in the airline sector. This adaptability empowers users to effectively leverage the capabilities of multi-agent interactions across different environments and use cases. Ultimately, Swarm enhances the approach to managing complex tasks by allowing for a more distributed and efficient method of operation in diverse applications.

The OpenAI Agents SDK empowers developers to build agent-based AI applications in an efficient and intuitive way, reducing unnecessary complications. This SDK is an advanced iteration of our previous project, Swarm, aimed at agent experimentation. It includes a streamlined collection of essential components: agents, which are sophisticated language models equipped with specific directives and tools; handoffs, which support the distribution of tasks among agents; and guardrails, which ensure that inputs from agents are accurately validated. By utilizing Python in conjunction with these components, developers can create complex interactions between tools and agents, enabling the creation of effective applications without facing a steep learning curve. Additionally, the SDK features built-in tracing capabilities that allow users to visualize, debug, and evaluate their agent workflows, as well as to fine-tune models to meet their unique requirements. This comprehensive array of functionalities positions the Agents SDK as an indispensable tool for developers looking to effectively tap into the potential of AI. Ultimately, it fosters a more accessible environment for innovation in AI development.

The Transformers library is an adaptable tool that provides pretrained models for a variety of tasks, including natural language processing, computer vision, audio processing, and multimodal applications, allowing users to perform both inference and training seamlessly. By utilizing the Transformers library, you can train models that are customized to fit your specific datasets, develop applications for inference, and harness the power of large language models for generating text content. To begin exploring suitable models and harnessing the capabilities of Transformers for your projects, visit the Hugging Face Hub without delay. This library features an efficient inference class that is applicable to numerous machine learning challenges, such as text generation, image segmentation, automatic speech recognition, and question answering from documents. Moreover, it comes equipped with a powerful trainer that supports advanced functionalities like mixed precision, torch.compile, and FlashAttention, making it well-suited for both standard and distributed training of PyTorch models. The library guarantees swift text generation via large language models and vision-language models, with each model built on three essential components: configuration, model, and preprocessor, which facilitate quick deployment for either inference or training purposes. In addition, Transformers is designed to provide users with an intuitive interface that simplifies the process of developing advanced machine learning applications, ensuring that even those new to the field can leverage its full potential. Overall, Transformers equips users with the necessary tools to effortlessly create and implement sophisticated machine learning solutions that can address a wide range of challenges.

Superexpert.AI serves as an innovative open-source platform that enables developers to construct advanced AI agents capable of handling multiple tasks, all without requiring programming skills. It supports the creation of diverse AI applications, from simple chatbots to complex agents adept at multitasking. The platform's extensible design allows users to easily integrate custom tools and functions, and it works seamlessly with various hosting options such as Vercel, AWS, GCP, and Azure. A standout feature of Superexpert.AI is its Retrieval-Augmented Generation (RAG) capability, which enhances document retrieval efficiency, while also accommodating numerous AI models, including those developed by OpenAI, Anthropic, and Gemini. Utilizing modern technologies like Next.js, TypeScript, and PostgreSQL ensures the system's strong performance and reliability. Moreover, the platform boasts a user-friendly interface that streamlines the process of configuring agents and tasks, making it accessible to those with no programming expertise. This focus on simplicity not only caters to novice users but also reflects a broader mission to make AI development more inclusive for everyone. Ultimately, Superexpert.AI positions itself as a powerful tool for fostering creativity and innovation in the AI space.

Nelly functions as a comprehensive AI agent platform that allows users to effortlessly create, test, share, and deploy AI agents, all without the need for any coding expertise. Through the use of Nelly Studio, users can craft tailored AI agents by inputting natural language directives and utilizing various formatting options like headings and lists. These agents can be augmented with a range of tools, such as web browsers and databases, enabling them to execute their assigned tasks effectively. Users can address intricate problems by segmenting them into manageable parts and delegating those to specialized sub-agents, fostering a cooperative team of agents that can handle complex workflows efficiently. Nelly facilitates seamless and natural conversations with AI agents, which understand context and maintain a consistent dialogue, eliminating the need for rigid commands or specific syntax. Conversations are organized into threads, enhancing both clarity and efficiency. Additionally, users can establish departments and organize their agents using a straightforward drag-and-drop interface, which aids in building an optimal AI team and boosts overall productivity. This platform not only simplifies AI interactions but also allows users to tailor their engagement to fit their specific requirements, making the experience more personalized. Ultimately, Nelly empowers users to harness the full potential of AI in a way that suits their individual preferences and workflow needs.

VoltAgent is a powerful open-source framework for TypeScript that enables developers to build, customize, and manage AI agents with unmatched precision, speed, and an outstanding developer experience. This framework provides a complete suite of tools aimed at creating enterprise-quality AI agents, which supports the development of production-ready solutions through seamless APIs, utilities, and memory functionalities. A standout feature is its tool calling capability, which empowers agents to perform functions, interact with diverse systems, and execute designated tasks. VoltAgent simplifies the transition between various AI service providers with a unified API that requires only minimal code adjustments. Additionally, it offers dynamic prompting, which promotes experimentation, fine-tuning, and the iterative development of AI prompts in a cohesive setting. Its persistent memory feature allows agents to store and access previous interactions, thus enhancing their intelligence and contextual awareness. Furthermore, VoltAgent facilitates collaborative work by implementing supervisor agent orchestration, enabling the formation of complex multi-agent systems directed by a central supervisor agent that oversees specialized agents. This orchestration not only increases efficiency but also supports the development of sophisticated workflows tailored to meet specific application requirements. Ultimately, VoltAgent stands out as an indispensable tool for developers seeking to harness the full potential of AI technology.

AgentSea is a groundbreaking open-source platform that simplifies the creation, deployment, and sharing of AI agents. It offers a comprehensive array of libraries and tools for building AI applications while following the UNIX principle of specialization. These tools can operate on their own or be integrated into a larger agent application, ensuring they work seamlessly with well-known frameworks like LlamaIndex and LangChain. Some of its standout features include SurfKit, which serves as a Kubernetes-style orchestrator for agents; DeviceBay, a system designed for the integration of pluggable devices such as file systems and desktops; ToolFuse, which allows users to encapsulate scripts, third-party applications, and APIs as Tool implementations; AgentD, a daemon that enables bots to access a Linux desktop environment; and AgentDesk, which supports virtual machines powered by AgentD. In addition, Taskara helps with task management, while ThreadMem is built to create persistent threads that can handle multiple roles effectively. MLLM simplifies interactions with various LLMs and multimodal LLMs. Moreover, AgentSea includes experimental agents like SurfPizza and SurfSlicer, which effectively leverage multimodal strategies to interact with graphical user interfaces. This platform not only enhances the development experience but also expands the potential applications of AI agents across diverse fields, paving the way for innovative solutions and advancements in technology.

Agent Squad is a dynamic and powerful open-source framework developed by AWS that aids in the management of multiple AI agents and the navigation of complex conversations. This innovative framework supports the orchestration of multiple agents, allowing for effective collaboration and the use of various AI entities within a single cohesive system. It is built to function in both Python and TypeScript, demonstrating its dual language capability. By employing intelligent intent classification, it skillfully routes inquiries to the most suitable agent, taking into account the context and content of each query. Furthermore, Agent Squad accommodates a variety of output types, supporting both streaming and non-streaming responses from different agents, thus offering flexible interaction options. It also ensures that conversation context is maintained and utilized across various agents, which helps to keep interactions coherent and relevant. The framework's architecture is designed to be highly extensible, making it easy to integrate new agents or modify existing ones to address specific needs. Additionally, Agent Squad's deployment versatility allows it to function smoothly on a range of platforms, from AWS Lambda to local setups or any cloud-based service, making it a versatile option for numerous applications. This design not only fosters enhanced collaboration among agents but also significantly improves the overall user experience through more effective dialogue management, ultimately leading to more meaningful interactions.

Strands Agents offers a refined framework that focuses on code, designed to simplify the process of developing AI agents by leveraging the sophisticated reasoning abilities of modern language models. Developers can quickly create agents using only a few lines of Python code, where they can define a prompt and select tools, allowing these agents to handle complex tasks autonomously. The framework supports a variety of model providers, including Amazon Bedrock (with Claude 3.7 Sonnet as the standard), Anthropic, and OpenAI, giving users multiple options for model selection. A notable aspect of the framework is its flexible agent loop, which efficiently manages user inputs, selects the right tools, executes them, and formulates responses, thus accommodating both streaming and non-streaming interactions seamlessly. Additionally, the provision of built-in tools, along with the capability to develop custom tools, empowers agents to perform a wide range of functions that go far beyond simple text generation, significantly increasing their applicability across different domains. This adaptability and feature-rich design make Strands Agents a cutting-edge option in the field of AI agent creation, paving the way for innovative applications that can transform user interactions.

Recomi, created by Powerdrill, is a user-friendly no-code platform that allows individuals to design and deploy smart chatbots using their own data sets. Users can effortlessly upload various file types, including PDFs, Excel, Word, PowerPoint, and Markdown, or connect to their Google Drive to establish a comprehensive knowledge base for their AI agents. The platform easily integrates with websites through chat bubbles or iframes, ensuring compatibility with popular site builders such as Webflow, Framer, Wix, and Bubble. By entering your URL and selecting "Start Demo," you can preview how your AI agent will appear on your site. The interface is designed to be simple, making it accessible for anyone to create an AI agent without needing programming expertise. After logging in, users can kick off the agent creation process by uploading documents, naming their agent, and adjusting optional settings. Once set up, the agent can effectively answer questions based on the content of the uploaded files. Furthermore, the platform's collaborative features enable users to invite team members to join specific agents, creating a shared space for exploration and insights that significantly enhances the overall user experience. This collaborative feature not only streamlines the development process but also cultivates a community of users who can exchange knowledge and techniques, fostering a richer learning environment.

Shipable is a groundbreaking no-code platform designed to enable agencies and consultants to easily design, customize, and deploy production-ready AI assistants for a myriad of uses including support, sales, onboarding, and lead generation through chat, voice, and integrated applications. By utilizing an intuitive visual builder, it simplifies the creation of complex, multilingual workflows by incorporating system prompts, app integrations (such as email, CRM, and internal tools), and payment or domain functionalities without requiring any coding skills. Teams in agencies can now produce lead-generation bots in just minutes—a process that used to take days and involved numerous tools—by simply cloning and modifying pre-existing templates. Additionally, Shipable's features accommodate customer-facing voice interactions, including support in Arabic, making it accessible for everyone from solo operators to larger studios, and delivering effective, secure AI solutions that enhance revenue while reducing overhead and engineering effort. Not only does this platform make the creation of AI assistants more efficient, but it also significantly boosts productivity and effectiveness across diverse business functions, allowing users to focus on growth and innovation.

Portia AI serves as an open-source framework designed for developers, offering optional cloud services that empower teams to swiftly create, deploy, and manage stateful AI agents with user authentication, all while preserving complete oversight and control throughout the entire process. To kick off their work, developers utilize the SDK to craft well-structured multi-step "plans" that blend large language model reasoning with various tool interactions, executing these plans in stages and refining the plan's state incrementally; they can also pause to request clarifications or additional inputs from either human users or machines whenever further information or authentication is required. The framework includes a robust authentication system along with a customizable catalog of tools, allowing Portia to seamlessly handle the necessary credentials and permissions for remote API and MCP tool interactions. Additionally, the built-in cloud solution offers persistent storage for tracking execution states of plans, maintaining historical logs, providing telemetry dashboards, and facilitating managed scaling, which together ensures that deployments in production are reliable, traceable, and compliant with relevant regulations. This holistic strategy not only streamlines the development journey but also significantly boosts the efficiency and performance of AI agent deployments, making it easier for teams to innovate and adapt in a rapidly changing environment. Ultimately, Portia AI presents a compelling solution for those looking to harness the power of AI while ensuring operational integrity and flexibility.

Autohive stands out as a cutting-edge no-code platform tailored for AI agents, empowering teams to automate monotonous workflows through an intuitive environment that allows for the visual creation, deployment, and management of AI agents that seamlessly integrate with existing tools and data sources. Users can craft customized agents that extract information from a range of platforms, including CRMs, analytics systems, documentation repositories, and communication tools, enabling the formation of interconnected "agent teams" capable of executing complex tasks, such as transforming podcasts into social media posts, generating weekly trial analysis reports, or providing customer support solutions, either on demand or at scheduled intervals. The platform’s user-friendly interface ensures that even individuals lacking technical backgrounds can easily define agent functions, set up triggers and reminders, and track performance metrics from a centralized dashboard. For those with more expertise, the inclusion of a natural-language API and workflow editor allows for the optimization of intricate processes across marketing, analytics, and customer service sectors. This wide-ranging adaptability not only boosts productivity but also enhances teamwork among members, ultimately leading to improved efficiency across numerous operational domains. By facilitating the creation of tailored AI agents, Autohive enables organizations to stay ahead in a rapidly evolving digital landscape.

Koog is a framework built on Kotlin that aims to facilitate the creation and execution of AI agents, ranging from simple ones that process single inputs to complex workflow agents that employ specific strategies and configurations. With its architecture entirely crafted in Kotlin, it seamlessly integrates the Model Control Protocol (MCP) to enhance model management. The framework also incorporates vector embeddings to enable effective semantic searches and provides a flexible system for developing and refining tools capable of interacting with outside systems and APIs. Ready-made components address common challenges faced in AI engineering, while advanced history compression techniques help minimize token usage and preserve context. Furthermore, a powerful streaming API allows for real-time response handling and multiple tool activations concurrently. Agents are equipped with persistent memory, which permits them to store knowledge across various sessions and among different agents, while comprehensive tracing capabilities improve debugging and monitoring, giving developers valuable insights for optimization. The diverse functionalities of Koog make it an all-encompassing solution for developers eager to leverage AI's potential in their projects, ultimately leading to more innovative and effective applications. Through its unique blend of features, Koog stands out as a vital resource in the ever-evolving landscape of AI development.

Release0 is a user-friendly no-code conversational AI platform that empowers businesses to design, launch, and refine captivating chat experiences, including lead qualification, customer onboarding, support, product releases, and AI-powered conversations across multiple platforms like websites, WhatsApp, and personalized domains, all without any programming knowledge required. Featuring an easy-to-use visual drag-and-drop flow builder, the platform enables users to develop workflows that incorporate elements such as text, multimedia, custom logic, data collection, conditional statements, payment processing, and seamless AI connections with tools like OpenAI, Claude, Mistral, and Groq, among others. Users can effortlessly deploy their chat solutions using embed codes, links, QR codes, or integration plugins for platforms like WordPress, while also benefiting from extensive compatibility with CRM systems, Google Sheets, Zapier, analytics pixels, and conversational APIs, thereby streamlining the automation experience and ensuring growth potential. The adaptability of Release0 makes it an ideal choice for a wide range of business requirements, offering a holistic approach to improving customer engagement across diverse channels. This comprehensive platform not only enhances communication but also drives efficiency in customer interactions, making it a valuable asset for any organization looking to elevate their customer engagement strategy.

MCP-Use is an open-source platform aimed at developers, offering a comprehensive suite of SDKs, cloud infrastructure, and a user-friendly control interface to aid in the development, management, and deployment of AI agents based on the Model Context Protocol (MCP). This platform supports connections to multiple MCP servers, each providing unique tool capabilities such as web browsing, file management, and specialized third-party integrations, all conveniently accessed through a singular MCPClient. Developers can create tailored agents (via MCPAgent) capable of intelligently selecting the most appropriate server for individual tasks by utilizing configurable pipelines or a built-in server management system. It simplifies essential processes including authentication, access control management, audit logging, observability, and the establishment of sandboxed runtime environments, ensuring that both self-hosted and managed MCP applications are ready for production. Additionally, MCP-Use enhances the developer experience by seamlessly integrating with popular frameworks like LangChain (Python) and LangChain.js (TypeScript), which accelerates the creation of AI agents equipped with a variety of tools. Furthermore, its intuitive architecture not only fosters creativity but also encourages developers to explore and innovate with new AI capabilities more effectively, ultimately driving the advancement of AI technology.

The Transformative Extensions Network (TEN) is an open-source platform that empowers developers to build real-time multimodal AI agents that can engage through voice, video, text, images, and data streams with remarkably low latency. This framework features a robust ecosystem that includes TEN Turn Detection, TEN Agent, and TMAN Designer, enabling rapid development of agents that respond in a human-like manner and can perceive, communicate, and interact effectively with users. With support for multiple programming languages such as Python, C++, and Go, it offers flexibility for deployment in both edge and cloud environments. By utilizing tools like graph-based workflow design, a user-friendly drag-and-drop interface from TMAN Designer, and reusable elements like real-time avatars, retrieval-augmented generation (RAG), and image synthesis, TEN streamlines the process of creating adaptable and scalable agents with minimal coding requirements. This pioneering framework not only enhances the development process but also paves the way for innovative AI interactions applicable in various fields and sectors, significantly transforming user experiences. Furthermore, it encourages collaboration among developers to push the boundaries of what's possible in AI technology.

Parlant is an open-source framework meticulously crafted for production, aimed at developing AI chat agents that comply with industry standards while adeptly handling rising complexity. It equips developers with the ability to build conversational agents that are not only adaptive but also iterative and transparent, leveraging natural-language behavior modeling techniques that incorporate a variety of components such as guidelines, journeys, canned responses, retrievers, glossaries, and tools, all of which can be managed through version control via Git. The framework's guidelines enable developers to finely tune agent behavior according to contextual factors, while the journey feature delineates multi-step interaction paths; canned responses ensure consistency during critical exchanges, and explainability tools provide clarity regarding the agents' decision-making processes. Furthermore, the tools are designed to align with established guidelines during operation, fostering a clear separation between business logic and conversational dynamics, thereby enhancing cooperation between developers and business stakeholders. In addition, built-in functionalities such as session persistence, tracking of tool outcomes across different sessions, and a user-friendly React chat widget further streamline the integration process, simplifying implementation for developers. This holistic approach not only ensures that users can craft highly efficient and compliant conversational agents but also allows them to tailor these agents specifically to meet unique requirements and objectives. Ultimately, the Parlant framework represents a significant advancement in the realm of conversational AI development.