The filters can be as simple as one drop-down.. 
Menu ≡ ╳ - Search
- Features
- Layouts
- Examples
- Generic Most popular uses
- Advanced Some more of what the plugin do
- Other Other specific examples
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- Free Version
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Menu ≡ ╳ With a simple click of an option, the search input can be hidden, using only the created filters instead.
.. or as complex as you want them to be.