3rd party tool that adds a tag triggered by a link click

I’m trying to find an alternative to the standard ISF button for adding a click generated tag. Does anyone know a 3rd party tool that will allow me to create a link to accomplish this?

Cheers,

Terry

Can you please elaborate?

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I managed to accomplish this by using the PlusThis Action Link that I embed in the email. So it replaces the button and it adds the tag.