| [[KDE Plasma 5]] (KDE5, KDE Plasma Workspaces, formerly K Desktop Environment or simply KDE) || 1998-07-12
| 5.2021<ref name=":4">{{Cite web|date=20202021-1002-1316|title=Plasma 5.20:21 One- absolutelyKDE massive releaseCommunity|url=https://kde.org/announcements/plasma-/5/5.2021.0/|access-date=20202021-1104-2029|website=kde.org|language=en}}</ref>|| 20202021-1002-1316<ref name=":4" />|| C++, QML || Qt || LGPL || KDE has a strong and enthusiastic following. The project is largely community-centric, and encompass many other applications and frameworks, many built specifically for KDE.
