Sometimes you are looking for a specific frontend input types of the eav attributes, but you don’t have a full list. You can find the types in lib/Varien/Data/Form/Element. Here they are:

• Button
• Checkbox
• Checkboxes
• Collection
• Column
• Date
• Editor
• Fieldset
• File
• Gallery
• Hidden
• Image
• Imagefile
• Label
• Link
• Multiline
• Multiselect
• Note
• Obscure
• Password
• Radio
• Radios
• Reset
• Select
• Submit
• Text
• Textarea
• Time