| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| fyne.io/fyne | Package fyne describes the objects and components available to any Fyne app. |
| fyne.io/fyne/canvas | Package canvas contains all of the primitive CanvasObjects that make up a Fyne GUI |
| fyne.io/fyne/layout | Package layout defines the various layouts available to Fyne apps |
| fyne.io/fyne/theme | Package theme defines how a Fyne app should look when rendered |
| image/color | Package color implements a basic color library. |
| net/url | Package url parses URLs and implements query escaping. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |