# v1 - Legacy

This section contains 2 examples of v1 apps.

Examples:

1. [**Modal Window**](https://developer.supervisely.com/app-development/basics/app-json-config/v1-legacy/example-1.-v1-modal-window)
2. [**App with GUI**](https://developer.supervisely.com/app-development/basics/app-json-config/v1-legacy/example-2.-v1-app-with-gui)