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Bringing system resources and internal details together in one place, jdSystemMonitor is a solid and lightweight option for desktop Linux users.
A beautiful open-source cross-platform music player with a good feature set like lyrics display and upload, library management and more.
A GUI front-end to ImageMagick to convert and manipulate images on Linux. Learn more about using this nifty tool.
Rnote is an excellent app for sketching and taking handwritten notes. Check it out here.
A free and open-source app for two-factor authentication codes on the Linux desktops.
Ghostwriter is a great open-source writing app with Markdown support for Linux, Windows, and macOS. Learn more here.
Popular Windows tool CPU-Z is not available for Linux. However, there is a similar tool called CPU-X. Check it out for getting CPU and other hardware info in Linux.
A GUI program to help you manage chroot(s) with ease. Take a look at Atoms here and get started with it.
Kommiku is a feature-rich manga reader available exclusively for Linux. Try it out!