KDE is an international free software community that develops free and open-source software. As a central development hub, it provides tools and resources that allow collaborative work on this kind of software. Well-known products include the Plasma Desktop (the default desktop environment on many Linux distributions), Frameworks and a range of cross-platform applications like Krita or digiKam designed to run on Unix and Unix-like desktops, Microsoft Windows and Android.
KDE offers a lot of trade-free software. However, the website promotes trade-based platforms (e.g. Instagram, YouTube, LinkedIn, Twitter etc.) and products that cost money (https://kde.org/de/hardware/). Therefore, only 3/5 blocks.