Simple text field superuser
Empty text field, required
Select, local array, custom display
Select, remote array, no buttons Admin
Select, error while loading Active
Combodate (date)
Combodate (datetime)
Textarea, buttons below. Submit by ctrl+enter awesome user!
Twitter typeahead.js
Checklist
Select2 (tags mode) html, javascript
Select2 (dropdown mode)
Custom input, several fields

Theme

Layout

Pattern (boxed layout)