BrowserOS

The first open-source Artificial Narrow Intelligence generalist agent that fully operates GUIs using only natural language. Uses Visualization-of-Thought and Chain-of-Thought reasoning for spatial perception and HID simulation.

Page Agent is a JavaScript in-page GUI agent by Alibaba that controls web interfaces with natural language, enabling automated form filling, page navigation, and element interaction.

ShowUI is an open-source, end-to-end Vision-Language-Action model for GUI agents and computer use, capable of understanding screenshots and executing precise interface interactions.

Stagehand is Browserbase's browser-control framework for agents, focused on structured web actions, repeatable automation, and developer-friendly browser task orchestration.