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Learn electronic circuits by solving circuit puzzles.
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Sun, Sunrise & Sunset information for your location for any Date & Time!
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Best lectures and podcasts in Russian on arts, literature, history and culture
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Want to review chemical Named Reactions, their mechanism and concrete examples?
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VoltLab — interactive electricity & circuits: simulations, lessons, tests.
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Discover new Electronics Projects and Embedded News
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Sailing, Navigation, Instruments, Logbook, Weather, Wind Profile, GPS & NMEA
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Legit campsites in NZ. Offline capable. Officially supported. Deep Info.
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Measure temperature, air humidity, air pressure and movements.
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Get the maritime training you need on the go with the Seably app.
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Engineering Tracks is an Egyptian-Saudi training academy.
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Topo Guru x theCrag app is a superb solution for climbing guides.
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One-stop Project Solution Provider for Global Real Estate & Hospitality Industry
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Marine Calculators, MARGRAM, News & Theory for any crew member in your pocket
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Upgrade USCG License
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Learn & code Rust anywhere—offline lessons, trivia, compiler, notes, bookmarks.
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A Movement for Good.
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Ready-made solution for calculating loaded or discharged cargo by ship's draft
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Trail running & ultra marathon training plans from expert running coaches
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An award-winning streaming service featuring hundreds of full-length docs.