Tools for configuring and troubleshooting your system.

Drawing app, capabilities similar to Illustrator/Freehand/CorelDraw.
Create custom configuration files for the Clover EFI bootloader.
Powerful, free image editing application; now a native Mac app.
Complete e-book library management system.
The most powerful calendar app for macOS.

Cyberduck is a libre server and cloud storage browser for Mac and Windows with support for FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox.
An advanced browser made with the power user in mind.
Mactracker provides detailed information on every Apple Macintosh, iPod, iPhone, and iPad ever made, including items such as processor speed, memory, graphic cards, supported OS versions, price, storage, and expansion options.
Provides full read and write access to Windows NTFS drives in macOS.
AudioFinder is the OS X standard in audioasset management systems, & music production hub.
Slow down and learn to play your favorite songs.
The Ultimate Writing App for Mac. A pleasant, focused writing experience combined with effective document management, fast syncing and flexible export options make Ulysses the first choice for writers of all kinds.
Tool for lossless trimming/cutting of video and audio files.
A tiny calendar for your menu bar.