The Toggle filter widget displays a toggle (switch) with on/off, On sale yes/no or whatever you want the toggle to represent.
The Slider filter widget displays a slider with a draggable handle so visitor can visually decide a value. It also supports range of values by showing two handles.
The Search filter widget shows a text field for keyword based searches.
The Radio Buttons filter widget shows a radio button list with text and values based on either tags, categories or custom taxonomy.
The Dropdown filter widget shows a dropdown with text and values based on either tags, categories or custom taxonomy.
The Date Range filter widget shows specified date ranges as either radio button list or a select/dropdown element.
The Checkbox Range filter widget shows specified ranges of values together with a checkbox for each value range.
The Checkboxes filter widget shows checkboxes with labels based on either tags, categories or custom taxonomy.