Signal is a simple yet powerful and secure instant messenger. It offers a similar set of features to its competitors WhatsApp and Telegram: Signal allows you to send text and voice messages, as well as photos, videos and files, in one-to-one or group chats, in addition to make voice and video calls. A key difference...

Telegram is a messaging app focused on speed and security. It’s WhatsApp’s closest competitor in terms of both functionality and popularity. Telegram allows you to send text, audio and video messages, as well as photos, videos and files of any type, in addition to make voice and video calls. In January, Telegram surpassed 500 million...

Over the last 20 years, there has been a significant increase in the usage of instant messengers, with the most popular of them having amassed over 1 billion active users each. Today, the most popular messenger app in the world is WhatsApp, which has more than 2 billion users in over 180 countries. Many people...

This is the part 3 of our trilogy of posts about how to transact bitcoins using the Electrum Bitcoin wallet. We have bought or received (from friends, family, customers, donators, etc) some bitcoins. Now with the bitcoins in our wallet there is only two things we can do: hold or transfer (for paying for a...

This is the part 2 of our trilogy of posts about how to transact bitcoins using the Electrum Bitcoin wallet. In part 1, you’ve seen what Bitcoin is and some basic concepts, how to install Electrum and set it up. If you fell into this page, I recommend you start reading at the first part:...

Bitcoin is a digital currency that only exists electronically. There are no physical, touchable bitcoins. Released as a free and open-source software in 2009, Bitcoin has mainly been used for speculation, but it also has been adopted as a protection against government-backed currencies devaluation. There are a growing number of stores and services accepting Bitcoin...

On Linux, packages can be understood as "pieces" of the software that make up the system. When you want to add a feature to your system, you usually look for the package that provides that feature and installs it. Packages can recommend the installation of other packages. In this text, you are going to see...

Get your software built and available for download right after a git push!

The Linux Kamarada Project is proud to announce that it is moving to GitLab.During the early years of the project, the source code and the website were hosted on GitHub, for which I am grateful. However, after the acquisition of GitHub by Microsoft — which does not have a good past relationship with free software...

If you already play, or want to learn how to play, a musical instrument, especially if it is a guitar, you should take a look at TuxGuitar, a free and open source tablature and score editor and player. With TuxGuitar you can write guitar tabs or listen to the songs in existing tabs, study scales,...