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Tool
Category
Pricing
Free?
❤
Smolagents
Lightweight Hugging Face agent framework where LLMs write code to use tools
Best for: Hugging Face
GPT-Pilot
AI developer agent that iteratively builds production apps with human collaboration
Best for: developer-agent
Stagehand
AI-native browser automation framework using LLMs to interact with web pages
Best for: browser-automation
Rasa
Open-source conversational AI framework for building contextual dialogue agents
Best for: open-source
Agency Swarm
Open-source framework for creating collaborative AI agent networks with specialized roles
Best for: agency-swarm
Steel Browser
Open-source browser API for AI agents with managed sessions and proxy support
Best for: browser-API
Langfuse
Open-source LLM observability platform for tracing, debugging, and monitoring AI agents
Best for: observability
Helicone
Open-source LLM proxy for logging, monitoring, and analyzing all AI API calls
Best for: LLM-proxy
Arize Phoenix
Open-source AI observability tool with interactive tracing and RAG evaluation
Best for: observability
XAgent
Open-source autonomous agent with hierarchical planning and sub-agent coordination
Best for: autonomous
SuperAGI
Open-source framework for building and running autonomous AI agents at scale
Best for: agents
ControlFlow
Python framework for building structured, controllable AI workflows
Best for: controlflow
Hugging Face Agents
Agent framework built into Hugging Face Transformers for model-powered tool use
Best for: Hugging Face
ChatDev
Multi-agent software company simulation where AI roles collaborate to build software
Best for: multi-agent
AgentScope
Fault-tolerant distributed multi-agent platform from Alibaba for production systems
Best for: multi-agent
SWE-agent
Research AI agent from Princeton that resolves GitHub issues by writing and testing code
Best for: software-engineering
DSPy
Stanford framework for algorithmically optimizing LLM prompts and agent pipelines
Best for: DSPy
Semantic Kernel
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
MindStudio
No-code platform for building and deploying custom AI workers and agents
Best for: no-code