PQ33 is a freeware VST equalizer based on RND Portico 5033 hardware unit. It has the same number and layout of elements, same frequency ranges for all filters, same gain operational levels and Q factors. It is intended for use during mixing and tracking, but it can also be used for simple mastering tasks.
This plugin is available for free download at j1000, scroll down the page to find the download link.
Download: Free PQ33 v1.0 VST