Open Source AI Agent
The best 50 Open Source AI Agent tools - Free & Paid
Explore 50 AI for Open Source AI Agent
OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.
Freemium
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium
Agency Swarm is an AI-powered framework that enables users to create and manage collaborative agents with specialized roles. It offers customizable agent functions, efficient communication flows, and state management, making it ideal for automating workflows and AI-driven decision-making.
Free
SuperAGI is an open-source autonomous AI framework for building and managing efficient and reliable autonomous agents that learn and improve over time.
Free
OpenManus is an open-source framework for building AI agents, offering flexibility and ease of use. It supports RL-based tuning methods like GRPO, allows LLM API configuration, and enables customizable AI-driven workflows with minimal setup, fostering community contributions.
Free
OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.
Freemium
- $18/mo
SmythOS is an open‑source Agent Operating System that manages the AI agent lifecycle—from design to production—via visual studio, SDK, CLI, and secure sandboxed runtime. It supports multi‑platform deployment, orchestration, and enterprise‑grade security.
Free
- $3.25/mo
OpenDialog is an enterprise AI platform that deploys purpose‑built agents for regulated insurance workflows, boosting quote conversions, automating policy queries, and recovering lost revenue while ensuring compliance and auditability for agencies.
Freemium
OpenArt is an AI art generator that provides powerful tools for you to generate and edit images, especially artist assets, that you can directly use and edit to improve.
Freemium
OpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.
Paid
Learn AI, ML, and data science through free tutorials, live coding playgrounds, and 100+ hands‑on projects. The curriculum covers core machine learning, regression, and deep learning, with specialized projects and a 3,958‑question quiz to reinforce knowledge.
Free
Agent One is a no‑code platform that lets businesses build white‑labeled AI assistants on custom domains. It supports OpenAI, Claude, and Gemini, offers one‑click deployment, real‑time data fetching, API integration, and multilingual analytics.
Subscription
- $8/mo
The AI Workspace is a tool that generates imaginary images using AI. It allows users to train models using photos and supports custom identifiers and prompts.
Nebius AI Studio offers efficient model deployment with hosted open-source models, ultra-low latency, and scalable processing options. It simplifies AI model exploration through an intuitive interface while ensuring verified quality and performance for diverse applications.
Free trial
Maxclaw is a cloud-hosted AI agent built on minimax m2.5, offering one‑click deployment, persistent long‑term memory (200k+ tokens), persona customization, messaging integrations (Telegram/Discord/Slack), and tooling for browsing, code execution, file analysis and automation.
Freemium
HumanLayer is an open-source IDE and orchestration layer for AI coding agents, managing parallel Claude Code sessions, multiclaude workflows, worktrees and remote workers, with context-engineering tools, session replay, workflow templates and GitHub-integrated code-review automation.
Freemium
OpenClaw is a personal AI assistant that automates email, calendar, task and chat workflows—clearing inboxes, composing and sending messages, scheduling events, checking reservations, integrating chats and cloud services, with persistent memory, background jobs and developer-friendly self-hosting an
Free
OnDemand AI Agents is a decentralized OS that lets users build, deploy, and scale AI agents without a dev team. It offers a no‑code workflow builder, an agent marketplace, secure model integration, an AI playground for testing, and enterprise‑grade security.
Freemium
ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.
Free
Agenthost lets users build AI agents for customer support, sales, marketing, and education without coding. One‑click integrations connect to 2,000+ apps, while custom actions, file uploads, voice, and fine‑tuning extend agent capabilities. Deep analytics and team collaboration improve performance.
Free trial
AgentX is a multi-agent AI platform for building, training, and deploying conversational agents using a no-code visual builder or developer tools, supporting multiple LLMs, RAG knowledge connectors, omnichannel deployment, integrations, analytics, voice, and on-premise options.
Free
SmolAgent is an opensource AI agent framework that simplifies creation of complex automations using pre-built llm models and agents, or custom development with open source tools.
Free
enqai" is a decentralized AI tool that prioritizes autonomy and security by offering uncensorable solutions. Users can access various AI capabilities independently of centralized control, ensuring reliable performance for a range of applications.
Freemium
Mistral AI offers developers a platform for building cutting-edge generative AI models with a focus on performance and customization. Their models excel in reasoning tasks and benchmarks, providing flexible deployment options across infrastructures.
Freemium
FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.
Free
Swarm is an experimental framework by OpenAI for orchestrating multiple AI agents in a modular, scalable manner. It enables dynamic task handoffs, function execution, and context management, making it ideal for complex, multi-agent workflows like customer support and automation.
Free
Uncensored AI delivers a chat platform featuring Claude Opus, Gemini, Grok, and MiniMax M2‑Her. It supports text, audio, image, and code interactions, including image‑to‑video via Image Studio. API beta and usage stats benefit developers, writers, educators, and researchers.
Freemium
OpenRouter gives one API key to access 300+ models from 60+ providers, SDK‑compatible, with visual routing, automated fall‑back, edge hosting, data‑policy controls, and agentic tools for building efficient autonomous workflows.
Freemium
SuperExpert AI is an open-source platform for building and deploying multi-task AI agents without coding, featuring RAG for document retrieval and custom tool integration. It supports major cloud providers and scalable tech stacks, enabling chatbots to automation solutions with full ownership.
Free
AI-Flow is a no‑code platform enabling creators to build and run AI workflows via drag‑and‑drop, integrating models from OpenAI, StabilityAI, Anthropic, and Replicate for batch image, video, and content summarization.
Paid
Creators' AI is a weekly Substack newsletter delivering curated AI industry updates, tool releases, and practical case studies for developers, creators, and entrepreneurs. It offers guides, adoption scorecards, searchable archives, community discussions, and exclusive cheat sheets.
Freemium
Kimi.ai provides free access to the K2.5 is a multi-modal AI model. It excels in reasoning tasks, supports large context windows, and integrates text and vision data, making it suitable for developers seeking robust AI solutions with enterprise security.
BotsCrew delivers end‑to‑end conversational AI agents built on GPT‑4o, Llama 3, or RAG. Users choose pre‑built or custom agents, proceed through discovery, rapid prototyping, and deployment, with real‑time UI, unlimited integrations, and compliance support to automate queries and reduce support cost
Freemium
Hermes Agent is an open-source agent framework for building and deploying autonomous AI agents and developer workflows, offering multi-model adapters, runtime model switching, integrated tools (code execution, browser automation, image and file ops, messaging), plugin extensibility, and scheduler.
Free
Tiledesk AI OS enables businesses to create and deploy no‑code AI agents across WhatsApp, Messenger, email, SMS, and custom channels. It offers multi‑agent workflows, human handoffs, automated ticketing, and hybrid full‑text and semantic search for instant, accurate answers.
Paid
Open Operator is a user-friendly AI tool that allows users to view, run, and browse AI models directly in their web browser. Powered by Stagehand and BrowserBase, it offers a seamless experience for exploring AI predictions effortlessly.
Openfabric is a decentralized layer‑one blockchain that lets AI developers, data providers, and infrastructure partners build, train, and deploy algorithms on a permissionless network. Its marketplace offers ready‑made tools, and token holders can stake for governance and liquidity.
Freemium
Blackbox AI is an AI-powered tool for developers that searches and autocompletes code snippets across multiple programming languages and repositories, extracts code from videos and PDFs, and converts queries into code.
Free trial
- $5/mo
Refact.ai is an autonomous AI agent for IDEs (VS Code, JetBrains, Neovim) that analyzes entire projects, generates code, completes, debugs, and runs end‑to‑end tasks. It supports multiple LLMs, on‑prem or cloud hosting, and builds a knowledge base from interactions.
Freemium
- $10/mo