Free Software for Linux
GOG Galaxy
With GOG Galaxy you can organize your games across platforms into one functional and beautiful library. The software allows you to import all your games from PC and consoles, build and organize them into one master collection. Within the user interface you can keep track of all your achievements, hours played and games owned, combined across platforms, and install and launch any PC game you own, no matter the platform.
ReverseSSH
ReverseSSH is a statically-linked ssh server with a reverse connection feature for simple yet powerful remote access. Most people find ReverseSSH useful during HackTheBox, CTF's and similar challenges.
Mapserver
MapServer is an free and open-source platform for publishing spatial data and interactive mapping applications to the web. Originally developed in the mid-1990’s at the University of Minnesota, MapServer is openly developed and released under an MIT-style license, and runs cross-platform on macOS, Linux and Windows. MapServer is not a full-featured GIS system, nor does it aspire to be.
VSCodium
VSCodium is a community-driven, freely-licensed binary distribution of Microsoft’s editor VSCode. VSCodium is built on the same source code as VSCode, but with telemetry and tracking removed before it is packaged as an application. VSCodium is released under the MIT license and is a great way to use VSCode without being tracked by Microsoft.
Traverso DAW
Traverso DAW is a digital audio workstation that is designed to be an extension of your creativity and workflow. With Traverso DAW, you can compose, record and edit your audio with an unprecedented speed and ease. Traverso DAW is released as free and open-source software under the licensed under GNU General Public License.
Pinta
Pinta is a free and open source drawing and image editing software similar paint.net. Pinta provides a simple yet powerful user interface that enables it users to draw and manipulate images on Linux, Mac, Windows, and BSD.
Signal
Signal is a cross-platform encrypted messaging application that has a strong focus on privacy. The application is developed by Signal Messenger LLC and provides users with features like one-to-one and group messages, which can include files, voice notes, images and videos. The software is famous for being used by the whistleblower and privacy advocate Edward Snowden who once said "I use Signal every day, it is the most scalable encryption tool we have".
KDE Connect
KDE Connect is an open source software that enables communication between all your devices. With KDE Connect, you can get all your phone notifications instantly synced to your desktop, so that you never miss that critical message. You can also directly reply to text messages from the computer without having to pick up your mobile device. If you want to share files or links between devices, KDE Connect got you covered as well. As the software allow you to browse and share your phone files remotely or quickly open a link on the other device.
UNetbootin
UNetbootin, short for Universal Netboot Installe is a tool that allows you to easily create bootable USB flash drives to install or try operating systems. This software is designed to be cross-platform and works with Windows, as well as Mac and Linux operating systems.
Flutter
Flutter is an open-source UI software development kit created by Google. Flutter allows developers to write Android and iOS application in Dart. Flutter can be installed on any desktop computer and server that runs Linux, macOS or Windows. The SDK provide developers with a great developer experience with hot reload, that allows for quick iterations and a quick development workflow when building UI's, adding features and fixing bugs.