Education

Optimal sleep calculator directly from your terminal ✨ - rico-vz/SleepSageCLI

Easy wake up time calculator. Find when to sleep and wake up so you can feel well rested and refreshed.

Want to wake up in a good shape? Find out the perfect bedtime or wake up time to rise feeling refreshed and energized.

Formerly the Sleepytime Sleep Cycle Calculator, this tool will tell you exactly what time to fall asleep and wake up for optimal performance

Live AI voice translation for Mac and Windows.

Sign language dictionary that works great as a reference and as a tool for learning.

Learn languages online with Pimsleur's effective language learning programs. Start learning another language in a fun way at your own pace. Sign up today!

Offline English Grammar Checker for macOS (No Subscription)

Solar and heliospheric image visualization tool.

The world's first Flat Earth Simulator for mobile devices!

Master the gender of German nouns through an addictive flashcard-like app that offers insights to common patterns to enhance retention

Visit this site dedicated to providing the tales of Aesop's Fables. Free, online versions of Aesop's fables. Read Aesop's Fables and the morals of the tales

Transform your business with AI-powered speech and translation tools. Translate text, documents, audio and images into 100+ languages.

A simulation of the Prague Astronomical Clock (Pražský Orloj), configurable for any location on Earth, with user-settable time.

Access 100s of Russian online lessons at RussianPod101. FREE lessons come out every week. You learn Russian fast and start speaking from your first lesson.

Translate your page in real time using Google, Bing or Yandex - FilipePS/Traduzir-paginas-web

S3.Blog - Информационно-справочный блог разработчика. Разработка, администрирование, документация, linux, perl, javascript, bash, shell. S3.Translator

SkySafari 7 Pro simulates over 75 million stars down to 16th mangnitude, 3 million galaxies down to 18th magnitude, and 620,000 solar system objects; including every comet and asteroid ever discovered. And, state-of-the-art mobile telescope control.

The Science Of Accuracy

Stellarium Mobile Plus is the next generation astronomy star map app. It combines a realistic and accurate night sky simulation with a gigantic amount of online imaging and sky objects catalogs.

Translation tool for all your text. Translate easily your text with SYSTRAN translate box

Great tool for learning Chinese. Includes links to Chinese Grammar Wiki. Supports adding words to Skritter.

Free web version of Chinese Characters published by Yale University Press.

How does Tandem work? Download the app for free, find your perfect language partner, and start chatting. Practice with native speakers and get fluent fast.