Piet Jonas

Do you want to go sailing, windsurfing, biking or just out of the door? This application shows the current local outdoor wind speed (in beaufort, mph …

Did you ever wonder where you are while you travel and what might be interesting nearby? With this app long distance travels don't have to be boring a …

Do you want to go sailing, windsurfing, biking or just out of the door? This application shows the current local outdoor wind speed (in beaufort, mph, …

Countdown to the exact start time of the next seasons.More features:- for the northern and southern hemisphere- animated background- add season events …

Keep track of your grades, marks and credits in school and university. This application always shows your up to date average mark or the sum of your c …

Don't travel to Germany without this database of the German license plate signs. The letter code denotes the different regions. You can search for the …

Monitors your servers or any other web site. The application checks the response time periodically with a HTTP HEAD request which doesn't put much imp …

A chess clock consists of two connected clocks which can't run at the same time. Use it as a game clock to measure the time used by two players for th …

Measure the time you take your shower (or to water the lawn) and calculate the amount of water used and how much you have to pay for it.You can save a …

Measure the time you work and calculate your earnings. The timer keeps running even when you close the application. So there is no need to keep it ope …