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This article contains a list with free (not necessairily open source) software〔(cGPS mapper: open-source yet paid, not included )〕〔(Chaeron GPS: open-source yet paid, not included )〕 for a range of devices (PC, laptop, tablet PC, mobile phone, handheld PC (Pocket PC, Palm)). Some of the free software mentioned here does not have detailed maps (or maps at all) or the ability to follow streets or type in street names (no geocoding). However, in many cases, it is also that which makes the program free (and sometimes open source〔Having open-source GPS programs available for different devices also allows people to expand on this software for certain projects, like automated or semi-automated steering systems for vehicles〕), avoid the need of an Internet connection,〔Programs like Google maps require an internet connection as the maps are not available offline, in part because this would also make the program very large in filesize〕〔(GPS software without internet connection ref 1 )〕〔(GPS software without internet connection ref 2 )〕 and make it very lightweight (allowing use on small portable devices as Palm or PocketPC). Very basic programs like this may not be suitable for road navigation in cars, but serve their purpose for navigation while walking or trekking, and for use at sea. To determine the GPS coordinates of a destination, one can use sites like (GPScoordinates.eu ) and (GPS visualizer ). Some software presented here is free, but maps need to be paid for. In this instance, and in the instance that some maps (of specific countries) are not standardly available, (Mobile Atlas Creator (MOBAC) ) can be used (e.g. on OruxMaps, Maverick, Sports Tracker, Maplorer). Some of the software mentioned can also be run on different devices than what they are intended for. A particular case-in-point is the Android software which can often be run on laptops or PCs (running Linux, Windows or Mac OS X) as well. This can be done using emulators. Some of the software mentioned here may run only on devices that are no longer commercially sold. However, these devices are often still obtainable via second-hand websites. ==See also== * Comparison of commercial GPS software * Comparison of web map services 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Comparison of free off-line GPS software」の詳細全文を読む スポンサード リンク
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