With OpenCart, a free, open source e-commerce system, you can put a store online in a matter of minutes.

Creating a custom application that toots text to Mastodon (the Fediverse's version of Twitter) is simple and straightforward. But we can mix it up by adding images and video, scheduling posts, and changing privacy settings.

Openfire is an instant messaging and group chat server that lets users communicate via the popular XMPP standard.

The pleasure of owning a nice domain like sensorenresidenz.de is clouded by the requirement of an X.509 certificate for every subdomain that the admin wants or has. Columnist Charly can help boost the webmaster's spirits.

Caddy lets even the most inexperienced user set up a secure web server.

GitHub's Electron project brings the benefits of web programming to the realm of desktop applications.

YunoHost offers a wide range of services on a proven Debian platform that you can host yourself.

When it comes to cheap flash memory, buyers should beware. Fake flash memory often offers only a fraction of the advertised storage capacity. With no visible calibration mark, it isn't easy to discover a counterfeit. Here's a test to weed out fake disks.

Httpstat is a special stopwatch you can use to discover how long web servers take to serve up a static or dynamic HTML page. Visible performance lags indicate optimization potential for the server.

It goes against the economic rationale to assume that commercial search engines have the best interests of users at heart when it comes to data protection and use. Sys admin Charly has found an alternative.