Symbols & Styleguides is a super-useful Sketch template designed and released by Jan Losert that you can use as a starting point for every UI design project.
It is basically a template file including tons of UI elements such as inputs, selects, dropdown dialogs, buttons, textareas, multi-item fields, calendar view, checkboxes, radio buttons, etc.
Freebie features list:
- 90 customisable elements in symbols
- All resizable elements
- 150 predefined
- 4 auto-updating styleguides (16 screens)
- Clever administration to help you style it however you want for the new or current projects
- Branding colours / Logos symbols
- Ready for any typeface you want
- Optimised for Sketch