AI Agent — Best AI Tools (2026)

Free AI tools and tutorials. Try ChatGPT, Claude, Gemini side-by-side and learn which model wins each task.

B.AI is foundational economic infrastructure for AI Agents — providing a unified API to GPT-5.x, Claude 4.x, Gemini, DeepSeek and more, with TRON-based crypto payments, Agent-to-Agent settlement, and a BAIclaw browser extension.

AutoGPT is an open-source autonomous AI agent platform. It provides a visual workflow builder, hosted cloud, and runtime for building and running agents that can browse, code, and execute tasks on behalf of users.

Dify is an open-source LLM application development platform. It provides a visual workflow builder, agent orchestration, RAG pipelines, prompt management, and observability for shipping AI apps to production.

Agent.ai is a marketplace and builder for professional AI agents. Browse 2,000+ agents, compose them into coordinated Agent Teams for sales, marketing, research, and meeting workflows, or build your own.

AgentMail is an email inbox API built for AI agents. Spin up programmatic inboxes, route incoming messages, and trigger webhooks so agents can send, receive, and act on email natively.

AgentSkill.sh is a cross-platform directory and marketplace for AI agent skills cataloguing over 107,000 skills across development, marketing, and data analytics roles, installable via CLI for any major AI coding tool.

JetBrains Air is a desktop IDE that lets developers run multiple AI coding agents — Codex, Claude Agent, Gemini CLI, Junie — as parallel, isolated task loops. Each agent works on its own branch or container so tasks don't interfere with each other.

Donely is a management platform for OpenClaw-powered AI employees. Deploy personal, business, or client agent instances with per-instance access control, unified billing, and volume discounts.

Floatboat is a native desktop AI workspace for solopreneurs. It runs local files, a built-in browser, and AI agents side by side, capturing your work patterns and packaging them as reusable Combo Skills.

n8n is an open-source workflow automation platform that combines a visual builder with code-level flexibility and AI agent nodes, letting technical teams build, debug, and self-host complex automations.

Manus is an AI agent that goes beyond answers to execute tasks, automate workflows, and build artifacts—creating slides, websites, desktop apps, and designs on command via web and mobile apps.