Antigravity Link vs onUI: 2026 Comparison

Antigravity Link and onUI are both AI tools in the Code & Development space. This side-by-side covers pricing, open-source status, and best-fit scenarios.

Antigravity Link

VS Code extension that bridges mobile devices to Google's Antigravity IDE (a Claude-powered VS Code fork). Mirror…

Pricing
Open Source
Open Source
Yes
Category
Code & Development
Website
github.com

onUI

Open-source browser extension and MCP server for annotation-first UI pair programming with AI agents. Works with…

Pricing
Open Source
Open Source
Yes
Category
Code & Development
Website
github.com

Choose Antigravity Link if…

  • You need a free or open-source option in this category.
  • You want self-hosting / source code access.
  • The code & development workflow matches your stack better than onUI's.

Choose onUI if…

  • You need a free or open-source option in this category.
  • You want self-hosting / source code access.
  • The code & development workflow matches your stack better than Antigravity Link's.

FAQ

Which is cheaper, Antigravity Link or onUI?

Antigravity Link: Open Source. onUI: Open Source.

Is Antigravity Link or onUI open source?

Antigravity Link is open source. onUI is open source.

What category do these tools fall into?

Both are in Code & Development.