tint2 is a system panel/taskbar for Linux. It is described by its developers as "simple, unobtrusive and light".
License: Open Source
Tint2 is a lightweight and highly customizable panel for Linux, ideal for users who prefer a minimalistic design and multiple monitor support. XLaunchpad, on the other hand, is a user-friendly application launcher that supports grouping and is suitable for users who want a simple and intuitive interface.