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Tool
Category
Pricing
Free?
Updated
Hugging Face Agents
AI Agents
Free
✓
Mar 2026
→
Agent framework built into Hugging Face Transformers for model-powered tool use
Best for: Hugging Face
Smolagents
AI Agents
Free
✓
Mar 2026
→
Lightweight Hugging Face agent framework where LLMs write code to use tools
Best for: Hugging Face
Gradio
AI Data Analysis
Free
✓
Mar 2026
→
Open-source Python library for building ML demos and interactive data interfaces.
Best for: data-analysis