tint2 is a simple system panel/taskbar for Linux, ideal for users of window managers such as Openbox which do not provide a panel.
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Pro Multi-instant support
Many instances of tint2 can be opened concurrently using different config files.
Very lightweight with minimal resource use. Often used with lightweight window managers.
Pro Feature rich
Despite being lightweight, tint2 provides most options available for system panels including launchers, taskbar, system tray, clock.
Con No intelligent hide option
Tint2 provides autohide option but there's no way to autohide it when windows are maximized or overlap the panel.