Create a unique set of filter tabs for each search form. These tabs have their own set of settings and work as filters for your search results.
Create an unlimited number of search form filters. Think about filters as some sort of predefined search settings.
You can easily create such filters right from the plugin settings page and name it as you want.

In the search form you will see created filters as a button with a drop-down menu.

Choose between two types of possible filters: single filter and dynamic filter.

This is a filter type where you need to manually set filtering conditions. As a result - will be created a single filter option with pre-defined filtering rules.

This filter type creates multiple filtering options based on specified product taxonomy. Example: create filtering options by product categories.

Combine filtering options with search form filters buttons to create a powerful filtering feature for your customers.
Exclude or include certain products, terms pages or users search results via filter options.

Yes. This can be done with the help of exclude/include option.
Sure. You are totally free to set unique search sources for each filter.
Yes. This can be done with the help of search form layout option.
Yes. Please use exclude/include option for this.
Download free version from wordpress.org repository.
Read about differences between free and pro versions here.