Unlike apps installed from the Mac App Store or in DMG format, you can simply drag and drop them to the Trash to delete them cleanly. The PKG file is a package with the installation process and may modify the system settings. It doesn't necessarily appear in a user's sight and may spread files across multiple folders. It usually can be removed using the program's built-in Uninstaller, or it can be uninstalled with the help of third-party tools like CleanMyMac, CCleaner for Mac, and UninstallPKG.

Boom 3D is a professional, powerful, advanced and easy-to-use 3D surround audio enhancement program for PC and mobile platforms, developed by Global Delight Technologies from India. It can significantly improve the quality of audio playback, enabling users to enjoy clearer, more realistic and layered sound. Also, you don't need to buy expensive headphones, speakers, or other additional surround sound enhancement devices.

Online video download apps are everywhere now. But if you're on a Mac and looking for a great website video downloader, Pulltube is worth a try. Pulltube is a very powerful, easy-to-use and popular website audio & video downloading tool for Mac platform only, developed by MyMixApps from Ukraine.

Mind mapping/brainstorming can help us organize ideas, collect knowledge, remember things, capture ideas, clarify thoughts and open minds, so as to improve the work quality and efficiency. There are already many mind mapping programs, but most of them are too bloated, not suitable for beginners, or do not support cross-platform operation.

The most important thing for publishers is to have a professional and user-friendly layout design tool to make their work more efficient. There are many page layout design programs, but few of them are professional, easy-to-use or efficient. Thereinto, Affinity Publisher is a desktop publishing edge tool for Windows and Mac platforms, developed by Serif Europe from United Kingdom in 2019. Compared to the popular Adobe InDesign and QuarkXPress, it not only has everything a professional-grade desktop publishing tool should include, but it's also easier to use and runs more smoothly.