Issue #221 / Apr 2019

If you're running a small company, and you can't seem to keep up on invoices, orders, and other business documents, time to have a look at Kraft.

Go comes with an image-processing toolkit right out of the box. In this month's column, Mike Schilli explains how to walk through a photo's pixels to detect the foreground by comparing values against a threshold and shows how to manipulate the original by creating a nice looking silhouette.

Connect multiple protocols and servers together on your IoT projects.

In a quest for better voting machines, open source hardware may hold the answers.

A simple Python program turns a disused smartphone into a wirelessly connected Raspberry Pi display.

This month in Linux Voice.

Fifty years ago, limitations in computing had more to do with cost than know-how; maddog takes us back to 1969.

Pixelitor offers the basic functions of a full-fledged image editing program, along with some useful filters and a few pitfalls.

Network commands like ifconfig and route are still popular with users even though they are far past their prime. Their successor, ip, provides the capabilities of several legacy tools with a single, unified syntax.

This month Graham fires up MuseScore 3.0, hexyl, weborf, Chrono, and several other useful Linux tools.