Ocuopen's Gems

#	Total Rank	Daily Rank	Name	Summary
1	124,263	37,775	open_jp_reverse_geocoder	answer the address from latitude and longitude.
2	147,221	59,661	open_enigma	encrypt a given sentence
3	152,385	59,661	open_jp_geocoder	answer the latitude and longitude from address.
4	175,866	78,013	open_polygon	this gem can calculate the area of any polygon
5	176,849	78,013	open_jp_get_elevation	this is a gem which get elevation for japan