Tired of Ubuntu’s notifications? nonotifs (aka NoNotifications) is a simple indicator to temporarily suppress notifications of notify-osd (notify-send). Check it out.
The Indicator-Sysmonitor application displays various system-related information on the Ubuntu panel. Here’s how you can use it to track CPU & memory usage.
There are many ways to set up a reminder. If you are using Ubuntu, you can make use of indicator-remindor to easily add and receive reminders on your desktop.