GTK is a multi-platform toolkit for creating graphical user interfaces. Offering a complete set of widgets, GTK is suitable for projects ranging from small one-off tools to complete application suites.

Cloud-init provides a framework and tool to configure and customize virtual machine instances for Infrastructure-as-a-Service (IaaS) clouds platforms. It can for example set a default locale and hostname, generate SSH private host keys, install SSH public keys for logging into a default account, set up ephemeral mount points, and run user-provided scripts.

Kjots is a notebook utility that organizes notes using groups of pages.

This library provides APIs to interface with various system components such as the system journal, the system service manager, D-Bus and more.

This is a GUI-based visualization and analysis tool for (functional) magnetic resonance imaging. MRIcron can be used to create 2D or 3D renderings of statistical overlay maps on brain anatomy images. Moreover, it aids drawing anatomical regions-of-interest (ROI), or lesion mapping, as well as basic analysis of functional timeseries (e.g. creating plots of peristimulus signal-change).

LibreOffice is a full-featured office productivity suite that provides a near drop-in replacement for Microsoft(R) Office.