Open Source Software for Linux
RedisGraph
RedisGraph is the first free and open source queryable Property Graph database to use sparse matrices to represent the adjacency matrix in graphs and linear algebra to query the graph.
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.
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.
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.
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.
Irssi
Irssi is a terminal based IRC client for UNIX-based operating systems. Irssi comes with IRC built-in and is multi-protocol friendly for module authors, it also support integration with SILC and ICB protocols via plugins. The application easily integrates with your window manager, your terminal emulator, your remote connection, your terminal multiplexer, your IRC bouncer and your IRC adapter. Allowing you to use Irssi virtually everywher throughout your system. Irssi is free software licensed under the GPLv2, available for macOS, Linux, BSD, Solaris, and Cygwin.
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.
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".
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.
Flameshot
Flameshot is a free and open source screenshot software that is powerful and intuitive. It uses a DBus interface that allows you effectively take screen shots, and make in-app screenshot editions, and also upload images directly to third-party services like Imgur.