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SatFinder Android takes what was once a rather complex technical job requiring a knowledge of ZIP codes, city and state names, or geograhic positions, plus a hand bearing compass and an inclinometer, and collapses it into an easy-to-use Android application that locates itself, finds your satellite, and then tells you where it is by pointing to it.
The SatFinder Android Home Page is located at http://arachnoid.com/android/SatFinderAndroid
SSHelper works just fine with a normal, unrooted Android device — i.e. your device. It also offers special features on rooted devices.
SSHelper works as an application and as a service. As a service it runs in the background, providing secure communications protocols without requiring user attention.
SSHelper supports interactive Secure Shell (hereafter SSH) sessions and various kinds of transfers including scp, sftp, and rsync, on all common platforms:
On Windows, SSHelper works with WinSCP, PuTTY and similar programs.
On Linux, apart from normal SSH shell session activities, SSHelper can be used directly with file browsers for seamless filesystem browsing and transfers by specifying the "sftp:" protocol.
On the Mac, SSHelper works with Cyberduck and similar programs.
SSHelper announces itself on your network by way of Zeroconf/Bonjour, an efficient way to configure a local network.
SSHelper includes an HTTP server showing an activity log available to machines on your local network.
SSHelper is free, open-source and there are no ads. It's licensed under the GPL and the source is freely available.
The SSHelper Home Page is located at http://arachnoid.com/android/SSHelper -- visit for more information and configuration tips.
CarpeTempus will accept any number of alarms (particular time of day, and day of week, month, year, etc.) or timers (durations in seconds. minutes. hours, etc.).
When it's time for CarpeTempus to alert you, it will speak the message you choose, or play an alarm ringtone, or play a piece of music you choose.
The CarpeTempus alarm scheduler is very sophisticated — you can choose a time of day, one or more days of the week, one or more days of the month, or a particular day of the year — or any combination of these.
CarpeTempus timers are much like alarms, except they're meant for time durations, not times of day. You can set time durations from one second to 100 hours. When the time arrives, all the features of the alarm scheduler are available — spoken messages, ringtones or user-selected music.
Once you have programmed some alarms and timers, you can put your Android device in standby mode. Then, when it's time for an alarm, the CarpeTempus service daemon will wake up, turn on the display, and alert you.
It's not necessary to type reminder messages. To program a CarpeTempus message, you can speak the message instead of typing it.
CarpeTempus is free and open-source, and is licensed under the GPL.
One more thing — CarpeTempus has no ads, no tricks and no strings attached. CarpeTempus is exactly what it appears to be — a nice, free application.
The CarpeTempus Home Page is located at http://arachnoid.com/android/CarpeTempus
For boaters who haven't been in dangerous situations, or who don't anchor very much, I should say that an anchor watch is a very good idea, and an Android device is an ideal platform for this task because it requires very little power, it operates independently of the boat's primary navigation and power systems, and it provides a secondary source of accurate position information in an emergency.