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Free Software

Free Software. Introduction

There are two main categories of software: system software and application software. System software is the basic software needed for a computer to operate. Examples of system software include operating systems like Windows, GNU/Linux, and macOS.

Operating systems and distros

GNU/Linux is a free operating system originally developed by Linus Torvalds in 1993. It’s available for everyone to download, use, modify, and distribute it at no cost. Linux comes in many flavors, commonly known as distributions, such as Ubuntu, Linux Mint, Arch, and Fedora.

Office suite

An office suite is a collection of office productivity applications that are bundled together. They allow you to carry out common tasks and usually include a word processor, a spreadsheet, and a presentation program.

Educational software

Astronomy Free Software

Do you like astronomy? Let me suggest you some free apps that may help you to enjoy and learn about the Solar System, the Milky Way, and the Universe.

Best Free Music Making Software

We all love music. Music is everywhere and surrounds us every day. Check out our list of essential free apps for making music. Audacity is a free and cross-platform digital audio editor, recorder, and mixer.

Children's Educational Software

Educational software is a term used for any computer software which is made for an educational purpose, such as GCompris, Omnitux, The KDE Education Project, and Childsplay.

Geography and History

Here are the best Geography and History applications and websites that make learning them exciting. Google Earth is one of the most popular Geography apps in the world today. It renders a 3D representation of the Earth based primarily on satellite imagery.

Google Earth

Google Earth is a virtual globe, map, and geographical information program. It lets you fly anywhere on Earth, explore oceans and outer space. It is one of the most popular Geography apps in the world.

Mind teasers, mind mapping, and diagrams tools

Explore the best ways to improve and train your brain with these brain teasers, card and brain games, chess, and Rubik clones.

Religious software: Xiphos, e-Sword, BibleApp

This list will help you find the best apps for reading, studying, and researching the Bible or just for praying and taking a break.

Typing tutors: Klavaro, KeyBlaze, RapidTyping, GNU Typist, and Tux Typing

These are free typing tutors to learn how to type the proper way with speed and accuracy. More specifically, we are talking about Klavaro, KeyBlaze, RapidTyping, GNU Typist, Tux Typing...

Best Free Math software

Do you have Maths homework? How do you know that your results are OK? This article is going to teach you how to use easy-to-use, free-of-charge software to check that your calculations are correct

Application software. Tools, utilities, multimedia, and graphics. Getting things done.

Audio and Video: VLC, OBS, HandBrake, Kodi, Audacity, etc.

VLC Media Player is a free, easy to use, and cross-platform multimedia player that plays almost everything! Why? Because it comes with most necessary codecs preinstalled.

E-book and comic readers: Calibre, fbreader, and more.

Calibre is a free and open source e-book library management application. fbreader is a popular multi-platform ebook reader.

Text and HTML Editors

Visual Studio Code is a free, lightweight, and powerful source code editor developed by Microsoft. Atom is a hackable text editor, completely free, open-source, and it looks very much like Sublime Text.

Minimalistic text editors

Do you easily get distracted when you are writing with social media, your cellphone, etc.? Vim is a highly configurable text editor for efficiently creating and editing any kind of text.

Markdown and LaTeX

Markdown is a text-to-HTML conversion tool for web writers. LaTeX is a high-quality typesetting system commonly used for technical and scientific documents.

Writer's toolbox

Sigil is a free, open source, multi-platform ebook editor. It is designed to edit books in ePub format. Calibre is a powerful e-book manager, converter, and viewer with support for a variety of formats and devices.

PDF readers and editors

PDFedit is a free, open source, pdf editor and a library for manipulating PDF documents, released under terms of GNU GPL version 2. jPdf Tweak is boldly stated as the Swiss Army Knife for PDF files.

Web browsers

Web browsers are gateways to the Internet, so they play a key role in your browsing experience. They shape the way we experience the Internet. There are many web browsers in the market, which one should you use? Unfortunately, the answer is not straightforward.

General utilities: FileZ Archivers, Package Managers, Virtualization

Software utilities include: file archivers (7-Zip, PeaZip), package Managers, virtualization applications, etc.

Graphics software: Gimp, Inkscape, ImageMagick, Blender, ShareX.

Gimp is a free, open source, and extremely powerful image editing program. Inkscape is a professional vector graphics editor. ImageMagick is a free software suite for displaying, creating, converting, modifying, and editing raster images.

Getting Things done: Espanso

Espanso is an open source, cross-platform text expander. This is a step-by-step guide to teach you how to use Espanso and boos your productivity to new heights.

Getting Things done: Rofi

Rofi is a free and open source window switcher, a full-featured application launcher, and a dmenu replacement. In this article you will learn how to use, install, and make the most of it.

Internet utilities/Productivity: Everything, Wox, Frostwire

Everything is a search engine that locates files and folders by filename instantly for Windows. Frostwire is a free and open-source bitTorrent client. Wox is an effective launcher for Windows.

Security. Antivirus, firewalls, and password managers (pass, KeePassXC).


Security is a big concern for everyone. Some typical security attacks include: phishing attack, malware, spam, identity theft, and spyware.

Internet Safety: Antivirus, Firewall, Password Managers.

Firstly, you need an antivirus, an anti-spyware, and a firewall. A firewall is a program that acts as a protective barrier, a gatekeeper or a security guard between you and the Internet.

Advanced Security: Pass and KeePassXC

This article is about other actions that you could take to protect yourself, e.g., minimize your digital footprint or use Pass or KeePassXC, a cross-platform password manager.

Advanced Security: Pass.

Pass is a simple, lightweight, command-line password manager built with the Unix philosophy in mind. It maybe the only free password manager you'll need.

Android, Web 2.0

Web 2.0

Web 2.0 describes sites that use technology beyond the static pages. A Web 2.0 site may allow users to interact and collaborate with each other in a social media dialogue as creators of user-generated content in a virtual community.

The Best Android Apps

Android is the first open-source (Linux) platform for mobile devices. Let's see the must-have apps for every Android user.

GNU/Linux. Arch, Ubuntu, and Raspberry Pi

Top Things to do After Installing Ubuntu

Update and Upgrade Ubuntu. Customize Ubuntu's looks and behavior. Connect your phone(Android) to Ubuntu. Install extra codecs, Microsoft Web fonts, rar, and 7zip support, etc.

Top Things to do After Installing Ubuntu II

Let's see more things to do after installing Ubuntu: Python, add an external disk, Ventoy, Remote Access to Windows, Useful applications.

Set up a Raspberry Pi Server

Raspberry Pi is an open-source, Linux based, credit card sized computer board. Let's enable SSH, and install and configure VNC, BerryBoot, VPN, PiVPN, Pi-hole, etc.

Set up a Raspberry Pi Server II

Raspberry Pi is used for all kinds of projects from home server projects to playing retro games or learning programming basics. Let's install Samba, Docker, and Nextcloud.

Dotfiles with Git + GNU Stow. Servers: Syncthing, Docker, Pi-hole, OpenVPN.

Manage and sync dotfiles with Git + GNU Stow. Let's install and configure Syncthing, OpenSSH server, NFS, Pi-hole, Docker, and OpenVPN.

Awesome command linux tools: bat, fzf, exa, ripgrep, youtube-dl, xclip

fzf is a general-purpose command-line fuzzy finder. bat, exa, and ripgrep are modern replacements for cat, ls, and grep respectively. youtube-dl download videos from YouTube. xclip is a command-line clipboard manager

Linux terminal and administration

The terminal in Linux is fun, powerful, and fast. You can do almost everything: software installation, run programs and issue additional parameters, play games or music, navigate, edit or view files, etc.

Window, file, and login managers, compositor, shells, and terminals

In Linux, you can install and configure everything to your heart's content. Let's install and configure window, composite, and login managers, file managers, launchers, shells and terminals.

Arch Linux: From Zero To Hero

Arch Linux is an independently developed, free and open-source, rolling release distribution. It is a minimalist, lightweight, and bleeding edge distribution that targets advanced users.

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