Measures time spent on each app. See which apps to uninstall because you're not using them!
The most accurate app usage tracker! Accurate to less than a second on Android 1.6 and up.

As also found in the official Google Android Market:

This application is a call minutes, sms, mms and data usage meter to monitor your credit usage. Never exceed your quota again!

Supporters unlock: free times/contacts/groups; widget; usage log; greater configuration of plan inclusions + more. A free 5 day trial is offered.

Please report bugs!

Please visit http://creditusage.matthewwardrop.info for more information.

Simple and statistical precision.

To help users understand their own mobile phone network data traffic usage, in order to better control the cost of data traffic.

2G/3G network data traffic monitoring capabilities.
The network data traffic to warn function.
The network data traffic statistics data display.

Paid version:
Monitoring data charts.
No ads.

Pro add-on for AppUsage. Install AppUsage first, then unlock extra features with this add-on. Currently opts you out of data collection; more Pro features coming soon!

Now you can manage your fleet of vehicles on the go, more quickly and efficiently than ever before.

autoMinder is an app designed to record, manage and consult all information concerning your vehicles, helping you to avoid errors and save money.

“MyCalls” helps you monitor your phone usage for voice, data and SMS.

Weather, Quakes, Barometer with Widget and notifications has the most innovative design.