✓
Tool
Category
Pricing
Free?
Updated
DSPy
AI Agents
Free
✓
Mar 2026
→
Stanford framework for algorithmically optimizing LLM prompts and agent pipelines
Best for: DSPy
Stagehand
AI Agents
Free
✓
Mar 2026
→
AI-native browser automation framework using LLMs to interact with web pages
Best for: browser-automation
ChatDev
AI Agents
Free
✓
Mar 2026
→
Multi-agent software company simulation where AI roles collaborate to build software
Best for: multi-agent
Smolagents
AI Agents
Free
✓
Mar 2026
→
Lightweight Hugging Face agent framework where LLMs write code to use tools
Best for: Hugging Face