Ginger Audio GroundControl is a virtual audio device that lets you send audio from one app to another on the Mac. It's a modern alternative to Soundflower, and it's free!
The newest family member in the Eventide H9 series is Undulator, a tremolo full of "magical" modulation. Like the other H9 series plug-ins, Undulator is available for Windows, Mac and iOS.
ToneBoosters has released Compressor 4 for Windows, Mac and iOS. With many advanced features and a low price of just 29 Euros, it looks like a pretty awesome deal.
Overloud's TH-U iOS has just been released, coming soon after Mooer's GE Labs. The two appear quite similar, both run on Apple iPhone and iPad. Is TH-U iOS too late to the party?
Eventide has ported its Rotary Mod iOS app to macOS and Windows. The latest of the H9 series plug-ins simulates the classic Leslie rotary speaker cabinet with additional modulation.
Steinberg has released Cubasis 3. The mobile version of Cubase for iOS comes with lots of new features, many of which were requested by users. Cubasis 3 is a universal app, which also runs on iPhones.
RhythmBud is an iOS app that creates rhythms and applies them to MIDI notes. It works with other apps and external gear, supports inter-app audio and Audiobus and syncs via Ableton Link. Groovy!