Since I didn’t find any existing thread on Goodhertz plugins, I might as well open one.
Do you have some? How are you using them in conjunction with your hardware? How CPU hungry are they (interface looks like it might not be tasking for CPU)?
I don’t have any of their plugins yet but am interested in several. Good thing there’s a demo for all of them.
I’m especially curious about their new “playable” delay called DC19. Anyone tried it yet?
Goodhertz is one of the best plugin makers around in my opinion. 
How CPU hungry they are depends entirely on your system, so I would just give the trials a spin– but in my experience I feel like they are very well made through and through.
I have their Vulf Compressor, Tupe, MegaVerb, and the dither one (only cuz it made the bundle cheaper if I added it).
Mainly use vulf on drums as a character compressor and tupe on everything. Mega verb has become one of my favorite reverbs and a go to. It just like how lofi it can sound and the controls for all their plugins beg for automation, more sliders less switches.
I haven’t tried dc19 yet but I might pick it up next sale.
Edit: I forgot about Lossy. Lossy is a really good and unique. Won’t be for everyone but really cool lofi effect.
Goodhertz plugins are great. If you are considering some, they usually have Black Friday sale, so it might be worth it to wait and see if you can save some money.
I use their crossfeed plug in for headphone monitoring, I like it a lot.
Around 10 years ago, CanOpener also used to be an iOS app. A fully fledged music player, complete with library browsing, artwork display, and the cross-feed functionality. Used to be my favourite music player for that platform, unfortunately long discontinued.
I was surprised how deceptive the ui is. At a glance they don’t appear to be very deep feature wise, but when you start to explore you understand how capable they really are. If you’re looking for lofi suite of tools or easy to use, but feature packed bread and butter tools that also offer some nice extras, you need not look further.
Goodhertz have great plugins and I was using CanOpener Studio, Vulf Compressor and Wow Control back in my In-the-box-days.
Vulf, dc19, trem, wow, tupe, panpot, lohi, think that’s all I have from them. Get used on every mix most of them 
They have an HQ button which you can switch on or off and that will impact the cpu usage. I don’t think they’re cpu hogs, but my system isn’t too weak either so 
Tupe is incredible. Vulf compressor, megaverb, and trem are also very good.
there’s some i really like. didn’t care for the tone of Tupe. probably good for certain types of music but i just didn’t like the tone of it.
DC19 delay is dope, the tremolo is awesome as is the WOW and Lossy… the midside matrix is fun too… i like their GUIs and generally think they make good stuff that is unique.
this is one of the best compression demos i’ve ever seen https://www.youtube.com/watch?v=Y6D9WvwMNr8
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… sale of 37% off starting in around 9,5 hours 
!
Do all of their plugins also come with some presets and give you the option of saving presets?
Yes
new vulf compressor mastering edition presale just popped in there with this sale
So I‘ve played around with a bunch of them and immediately bought some. The fact that they all have a dry wet control as well as a slider to make sure output level wet/dry stays the same plus some kind of filter/EQ means that these are perfect for my use case: find some settings that fit the track and then assign it to a slider so I can move between A/B for performances. Fantastic! Tupe and Vulf make my shit sound wonderful even when just using some presets.