Free Software for Linux
USBImager
A really simple open-source, GUI application that writes compressed disk images to USB drives and creates backups. USBImager is avalible for Linux, macOS, and Windows.
LibreOffice Calc
LibreOffice Calc is a free and open-source spreadsheet tool part of the LibreOffice software package. With LibreOffice Calc users can manage spreadshets with its native Open Document Format (.ods), CSV (.csv) and other common formats like the Microsoft Excel format. The software is openly developed by The Document Foundation and the open source community while being released under a combination of license including MPLv2.0 and a secondary license GPL, LGPLv3+ or Apache License 2.0.
Shotcut
A free and openly developed video editing software that works cross-platform. Shotcut is developed on the MLT Multimedia Framework and is avalible for FreeBSD, Linux, macOS and Windows. Shotcut is released as open-source software under the GPLv3.
Termius
Termius is the SSH client that works on both Desktop and Mobile. The application lets you organize hosts into groups while allowing share settings across users. Terminus uses end-to-end encryption to ensure your data remains safe and secure, while keeping connection and command history.
PureOS
PureOS is a fully audit-able operating system developed and maintained by the privacy-focused Linux device manufacturer Purism. With PureOS you can rest assured that your privacy is taken seriously. The operating system has been independently verifiable by security experts and software developers around the world and is developed and released as a free and open source operating system. Under the hood, PureOS uses the popular GNOME desktop environment which is loved by many in the Linux community for its polish and long standing project commitment.
FlexGet
FlexGet is a free and open-source multipurpose automation tool for all of your media with support for torrents, nzbs, podcasts, comics, TV, movies, RSS, HTML, CSV, and more.
muCommander
muCommander is a lightweight, cross-platform file manager with a dual-pane interface. The application runs on any operating system with Java support including macOS, Windows, Linux, BSD and Solaris. Featuring a virtual filesystem with support for local volumes, FTP, SFTP, SMB, NFS, HTTP, Amazon S3, Hadoop HDFS and Bonjour. With muCommander you can quickly copy, move, rename files, create directories, email files and zip files can be modified live without the requirement of re-compressing entire archives. muCommander is released as free and open source software under the GNU General License.
GNOME
GNOME, also known as GNOME Shell is a graphical user interface for Linux-powered computers. GNOME provides an easy and elegant way to use your computer and is designed from the ground-up to put the user in control and get things done. GNOME is avalible for all major Linux distrobutions and comes as the default of the popular Ubuntu.
Snap Store
Snap Store is app store for Linux-based operating systems, used by millions of people across 41 distributions. At Snap Store you can easily find and install new applications or remove existing installed applications on your system. Snap Store provides free and open source software that can be bundled by anyone.