Free Software for Linux
QGIS
QGIS is a free and open-source software that can be used access planetary imagery and geospatial data. The platform is openly developed and released under the GNU GPLv2. With QGIS, users can view, edit and analyse geospatial data cross-platform, for Android, macOS, Linux and Windows.
Flathub
Flathub is a application marketplace for open-source applications which can be easily installed on any Linux distribution. With Flathub you can browse applications from your operating systems app center or the command line.
Thunderbird
A free an open-source email client developed openly by the Mozilla Foundation and the community. Thunderbird is easy to setup and customize and supports POP and IMAP. The email client comes with all features needed to search, filter, write and manage emails, but also have builtin support for live chat between contact and RSS/Atom feed reader.
Node.js
Node.js is a free and open-source JavaScript runtime environment built on the V8 engine. Node.js can execute JavaScript outside of a web browse and works cross-platform. The platform is used to power many JavaScript software project and web application in production today. Node.js is perfect for data-intensive real-time applications due to its event-driven and non-block I/O model.
Tor
Tor is free and open-source software and network that enables anonymous communication and browsing. Tor can be used to defend yourself from aggressive tracking, surveillance and censorship and provides a good base for anonymity online. The name Tor is derived from the original project name "The Onion Router".
Ultimaker Cura
Ultimaker Cura is a free 3D printing software that is used by millions of users worldwide. The software is an advanced slicing engine that can be used to prepare your 3D models in a few clicks, and then easily send of to the printer, and get job done.
AntiX
antiX Linux is a fast, lightweight and easy to install systemd-free linux distribution based on Debian Stable for Intel-AMD x86 compatible systems. antiX offers users the "antiX Magic" in an environment suitable for old and new computers. antiX Linux is released as a free and open-source operating system and can be used to revive old computers, or spark life into new ones.
GParted
GParted is a free and open source partition editor for graphically managing your disk partitions. With GParted you can resize, copy, and move partitions without data loss. The software enables you to grow and shrink your C: drive, create new space for operating systems and attempting data rescue from lost partitions on your hard drives.
KDE Partition Manager
KDE Partition Manager is a utility software to help you manage the disk devices, partitions and file systems on your Linux-powered computer. With KDE Partition Manager, you can easily create, copy, move, delete, resize without losing data, backup and restore partitions.
Socket.io
Socket.IO is a free and open-source JavaScript library that can be used for building realtime web applications. The library consists of two parts, a server-side library for Node.js and a client-side library that runs in the browser.