Mind maps are designed to help display processes and projects clearly in a graphical format. This review explores the design possibilities offered by five mind map programs.

Systemd can start timers that automatically perform tasks at specified times. The configuration files are known as timer units.

DocFetcher is a practical local search tool that is easy to configure and use – even for large data collections.

Transfer the contents of audio CDs to your PC and convert the contents of music folders with soundKonverter and fre:ac.

Mermaid lets you create diagrams from simple text-based statements.

This cool tool helps you exchange files and directories between computers with Linux, Mac OS, Windows, and Android.

They say data is "the new oil," but all that data you collect is only valuable if it leads to new insights. An open source analysis tool called KNIME lets you analyze data through graphical workflows – without the need for programming or complex spreadsheet manipulation.

In this issue, sys admin columnist and tool veterinarian Charly Kühnast invites Sysdig, the jack-of-all-trades among system diagnostic tools, into his surgery for a quick checkup. The project promises to unite the functionality of lsof, iftop, netstat, tcpdump, and others.

The smenu tool reduces the effort of creating shell menus to one line, with numerous options for a wide range of design alternatives.

When human error stumps the Debian package manager, familiar tools like apt-get, aptitude, and dpkg can help restore functionality.