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OpenCPN
OpenCPN OpenCPN
510
1.1k
gpl-2.0
73
A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENChart Display * AIS Input Decoding * Waypo...
ais gps grib nmea ecdis grib2 gshhs charts marine boating sailing signalk weather nautical nmea0183 nmea2000 autopilot navigation chartplotter nautical-charts
Created 2010-02-02
16,021 commits to master branch, last one 16 hours ago
Sunlitt
SunKit Sunlitt
13
149
apache-2.0
5
SunKit is a Swift library which uses math and trigonometry to compute several information about the Sun.
day sun dawn dusk noon civil night solar swift sunset azimuth sunrise tracker altitude nautical sunlight timezone blue-hour golden-hour astronomical
Created 2022-08-02
89 commits to main branch, last one about a month ago