10+ Best AI Agent Frameworks Tools in 2026 (New Guide)

FastAgency is an open-source framework that accelerates multi-agent AI workflows from prototype to production. With multi-framework support, unified interface, API integration, and testing tools, it empowers developers to build and deploy efficiently.

Atomic Agents: Python framework for predictable AI. Build modular, reliable agent pipelines with full control.

Build powerful AI agents with ADK! Code-first, modular, & integrates with Google tools. Take control of your agent development.

Agent Squad: Open-source framework to orchestrate AI agent teams for complex conversations. Python & TS support, flexible context & routing.

II-Agent: Open-source AI assistant automating complex, multi-step tasks. Powers research, content, data, dev & more. Enhance your workflows.

Generate music with AI in your DAW. MIDI Agent VST/AU plugin uses ChatGPT, Gemini & more to create melodies, chords & rhythms. Overcome creative blocks.

Automate software engineering using natural language with Trae Agent. Command AI via CLI for coding, refactoring, and scripts. Boost developer productivity.

Solvea AI Agent: 24/7 autonomous customer support that learns continuously & resolves complex issues with 90% accuracy. Scale your service.

Atlassian Rovo Dev Agent: AI automates dev tasks, code planning & reviews for faster, high-quality software delivery aligned with business goals.

AXAR AI is a lightweight framework for building production-ready agentic applications using TypeScript. It’s designed to help you create robust, production-grade LLM-powered apps using familiar coding practices—no unnecessary abstractions, no steep learning curve.

Agent Lightning: Optimize any AI agent framework for peak real-world performance. Seamlessly enhance multi-turn interactions & tool use with zero code changes.

AgentDB: Instant, serverless database for AI applications. Scale autonomous agents with zero-setup provisioning, built-in vector search & optimized costs.

Rizzy Agent helps you discover real leads inside live conversations. He listens, understands intent, and highlights people already looking for what you offer - automatically.

Build, deploy & manage advanced AI agents with AgentForge. Open-source framework for sophisticated, context-aware multi-agent workflows.

Noiz Agent: The all-in-one AI audio engine. Clone voices, create dubbing, podcasts, game effects & turn images into sound stories instantly.