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Top 7 Free and Open-Source Calculators

This article covers the best free and open-source calculators available for Linux and its distribution operating systems. Each discussed calculator software has been reviewed best and most acclaimed by reviewers and Linux users around the globe. The enlisted calculators offer more than any other everyday calculator and enable students, staff, employees, and workers in different areas across the globe to perform mathematical and graphical calculations on the go. The discussed paradigms are all free and can be accessed readily by the users. 

Also, the active community of the paradigm constantly adds to the already enhanced and advanced list of features of the diverse calculator software thereby improving the overall user experience every day.

Top 6 Free and Open-Source Alarm Clocks

This article covers the best clock applications that work most efficiently on the Linux platforms and their distributions and are absolutely free, open-source, and reliable.

Alarms are one of the most required utilities in these times. It would not be wrong to say that if there are no alarms, suddenly there will be a giant halt to productivity. Many information technology firms and software solutions developers have proposed high-functioning clock platforms that not only offer a sleek, simple, and easy clock utility but also offer amazing and most efficient alarm features along with a list of other vast features enhancing overall user experience. 

Top 5 Free and Open-Source Office Suites

This article covers the most efficient, free, open-source, and cross-platform compatible office suites. Apache OpenOffice tops our list of the best office suites available in the market, however, the paradigms to follow, i.e., LibreOffice, OnlineOffice and Calligra also offer a competitive user experience and list of features. All the discussed paradigms incorporate a wide list of integrated tools that allow users to create, maintain and edit any kind of data, e.g., Calligra offers an enhanced list of ten different components (or tools) that allow users to almost do anything they want, from taking random notes to creating mathematical formulae, all features are provided in one enhanced and feature-packed paradigm. 

Microsoft Office is though a great competitor to the here discussed office suites, however, the paradigm is neither free nor open-source which makes its feature limited. The open-source paradigms offer a continuous platform to extend capabilities and functionalities thereby providing its users an unending sea of features and functionalities.

Office suite are a bundle of productivity software. The primary program contains a word processor, spreadsheet, and presentation software. It is a set of business applications with the same style of the user interface. 


Benefits of using free Office Suite:

  • Drafting documents
  • It helps you to calculate difficult formulas in minutes.
  • Allows you to writer blogs, articles, reports, with grammar correction tools.
  • Creating spreadsheets and presentations.
  • It helps you to keep track of what is going on.

Install Duplicity on Ubuntu 20.04 - Best Method ?

This article covers the process to install duplicity on Ubuntu 20.04 and how to use it. Duplicity is an open-source tool that helps people create backups of their data. It basically just encrypts the user's data and stores it into a remote server. It's a very convenient and smart way to back up data, as it does not only store the data but also any changes made to it in the long run. This attribute makes Duplicity very space-efficient.


To Install Duplicity on Ubuntu 20.04 LTS,

1. Update the Package Repository:

$ sudo apt-get update -y

2. After updating the repository, consider running the following command to install duplicity:

$ sudo apt-get install -y duplicity

3. Verify the Installation:

$ apt-cache policy duplicity

Install KDevelop in Ubuntu 20.04 - Best Method ?

This article covers How to Install kdevelop in Ubuntu Linux System. KDevelop is a robust IDE that includes useful extensions, and also several high-quality features. KDevelop is a great option of IDE for Linux distributions due because of its stability and security.

To Install kdevelop software package in Ubuntu, run the following command:

$ sudo apt-get update
$ sudo apt-get install kdevelop

Add and Remove User in CentOS 8 - Best Method ?

This article covers how to add a user as well as how to remove it in case you no longer need it. We also described how to add and remove a user to and from a group. If you are using Ubuntu distribution, visit how to add or remove users in Ubuntu

You may need to create separate account for every user want to connect this system. To add new users in system there are two commands available in your system, useradd and adduser. adduser command is the enhanced version of useradd command. adduser command uses useradd command in backend. 

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