HOFA 4U+ DynamicTiltEQ is the best freeware Tilt EQ plugin out there. It does everything the legendary analog models did Optimise the balance between bass and treble with one simple control at the highest audio level.
The HOFA IQ-DeEsser is the new tool for editing harsh sibilants in vocals or in the whole mix. With a specialized and very natural working voice recognition the IQ-DeEsser is very easy to use and even more intuitive.