OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.
Complete e-book library management system.
iReal Pro is the most popular music practice app.
BetterZip lets you quickly inspect archives without first extracting their contents.
Completes partially typed words for you.
Scanner software with advanced features.

Cloud Downloader, BitTorrent Client and Media Player.
TinkerTool is an application that gives you access to additional preference settings Apple has built into macOS. This allows to activate hidden features in the operating system and in some of the applications delivered with the system.
Powerful and intuitive interior design.
NetNewsWire is a free and open source RSS reader.
A Comprehensive Media Tool for macOS. Focused on simplicity, ff·Works brings a fresh approach to using the optional FFmpeg, to create ultra high quality movies without the need to write any single command-line code.
Customize multi-touch trackpad gestures.
Graphically shows disk usage within a file system.
Visually compare and merge files and folders.
A simple download manager that offers you the possibility to quickly save videos from different websites to your own disk drive.