| fyne.io/fyne | Package fyne describes the objects and components available to any Fyne app. |
| fyne.io/fyne/storage | Package storage provides storage access and management functionality. |
| image | Package image implements a basic 2-D image library. |
| image/color | Package color implements a basic color library. |
| image/draw | Package draw provides image composition functions. |
| io | Package io provides basic interfaces to I/O primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| math | Package math provides basic constants and mathematical functions. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |