Yate was developed for people who want complete control over their tagging experience. Supports audio in AIFF, DFF, DSF, FLAC, M4A, M4B, MP3, MP4, STEM.MP4 and WAV files. Supports video in M4V and MP4.

RightFont 5 is an innovative, beautiful and professional font manager app for macOS, helping designers to preview, install, sync and manage their font files. RightFont is a lightweight font manager with a clean, beautiful interface. It offers many features which help you manage all your local fonts with ease

2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface and a comprehensive and flexible set of powerful features, it lets you focus on what's most important to you: your life. There is no wrong way of using 2Do, and unlike other to-do apps, it won't force you in adhering to a particular task management methodology.

Hostbuddy is the easiest way to manage and update the /etc/hosts file on your Mac. Add new entries and turn on and off existing ones with one click. It's perfect for switching between staging and production servers or just for testing out your new website before it goes live.

iTubeDownloader 6 makes downloading YouTube videos even more enjoyable with easy-to-use features, such as a download queue, channel & playlist downloading, improved browsing performance and much more.

Screens is the ultimate VNC client for your Mac.

DropSync is for web developers, photo professionals, scientists or anyone in need of a fast, automated and highly customizable way to repeatedly copy files from one place to another. Works with removable hard drives, between computers on a local network and even between your mac and a remote server over SSH.

Default Folder X attaches a toolbar to the right side of the Open and Save dialogs in any OS X-native application. The toolbar gives you fast access to various folders and commands. You just click on the buttons to go to your favorite and recently used folders, manage the folders and files shown in the list, and make changes to your settings. It also fixes a number of problems in Open and Save dialogs, "rebounding" to the last selected file, putting the path listing back in the top menu, and correcting bugs in scrolling column views.

DjVu Reader Pro: The best application to read DjVu documents on the Mac OS. 
DjVuReaderPro is also available on iOS.

BookMacster is a bookmarks manager for your Mac, which plays nicely with iCloud, Sign In to Chrome, and Firefox Sync. It can be used in three ways, or all three:

DoYourData Super Eraser offers reliable data erasure to permanently erase selected files/folders, as well as to wipe entire hard drives and storage media, and to wipe unused disk space to destroy deleted data and traces. After erasure with DoYourData Super Eraser, the erased data is permanently removed, and can’t be recovered by any data recovery software or method. If you want to permanently erase files, folders, or data hard drive or storage media, DoYourData Super Eraser is a good choice.

VirtualHostX is the easiest way to host and share multiple websites on your Mac. It's the perfect solution for web designers working on more than one project at a time. With VirtualHostX you can easily create and manage unlimited Apache websites with just a few clicks.

Flexiglass enables some of the missing features in OS X window management and offers an extremely convenient way to move, resize, maximize, and close windows on a Mac with a mouse, trackpad and keyboard.

WebDrive's instantly familiar interface lets you fluently work with cloud storage, local files, and files on remote servers through one common access point. Use WebDrive instead of the traditional FTP client, WebDAV, or SFTP client to reduce the steps of updating remote content.

App Tamer tames your processor-monopolizing apps and keeps them from chewing up excessive CPU time and battery life. Powered by a unique AutoStop feature, App Tamer stops each application when you switch away from it -- when you return to that app, it restarts automatically!