Showing 21–40 of 1,000 ranked alternatives.
Atlas Educational Software
Acids and track progress
Study and test knowledge of the 20 standard acids through customizable quizzes. Topics include names, structural formulas, 1-letter and 3-letter codes, codons, and side chain classes. Quizzes are available for free. Remove ads with an in- purchase.
Watchtower Bible and Tract Society of New York, Inc.
Learn phrases, view pictures, practice activities
Learn languages with phrases, images, and interactive activities. Select primary and target languages from options including Arabic, Bengali, Chinese, Dutch, English, French, German, and others.
Kalin M
Practice operations and quizzes
Practice arithmetic operations including addition, subtraction, multiplication, and division. Track missed numbers in a sequence. Complete quizzes across 22 categories. Available in 30+ languages.
Jian Yih Lee
ALG Software Lab SIA
Integrate sensors with projects
Learn about digital and analog sensors for projects. View technical specs and circuit diagrams. Follow step-by-step connection guides. Access ready-to-use code examples with explanations.
BCD Travel Services BV
Plan trips, book flights, track itineraries
Access trip details in a timeline view. View reservations, itineraries, and expenses. Log in with corporate email to retrieve trip information. Manage travel documents and communications in one place.
Mert Can Kus
Text across languages instantly
Scan text from images or documents and it to your clipboard. Supports multiple languages including English, Spanish, French, and more. No file saving or translation features.
Iaroslav Mironov
Translate words between 12 languages
Dictionary provides translations between and 20 other languages. Users can look up words, view definitions, and switch between languages. Supports offline use and direct sharing of translations.
tomokazu murase
Study words, test knowledge, review mistakes
Learn vocabulary through with memorization tests and review of incorrect answers. Select from multiple languages including English, Japanese, Korean, Chinese, Portuguese, German, and others.
Opine Technologies Inc.
Chat with and practice conversations
Chat with to practice speaking in multiple languages. Correct pronunciation and grammar in real-time. Learn 10+ languages through conversational exercises. Receive feedback and tips to improve fluency. Engage in judgment-free exchanges.
Kalin M
With quizzes and exercises
Learn basic operations including addition and subtraction up to 20, adding tens, and identifying missing numbers in sequences. with unlimited access to educational content and over 500 quizzes.
Engineering Village LLC
Control robots with Bluetooth
Control robot movement and robotic arm via Bluetooth. Use additional buttons for general purposes. Access datasheet for integration instructions with BBC micro:bit.
Evgeni Virnik
Learn words, practice with speakers, track progress
Learn by memorizing five new words daily. Practice with real speakers and themed lessons covering travel, business, and more. Test knowledge with quizzes and track progress over time.
Strelka Limited
Translate words between 12 languages
Look up words with translations in 20 languages. Switch between languages for definitions. Save favorite terms for quick access. Share translations via copy or social media.
Pyranger LLC
Control hardware with Bluetooth remote
Control hardware via Bluetooth with . Send commands to Arduino, ESP32, Raspberry Pi Pico, and other BLE devices. Adjust settings, trigger actions, and monitor device status in real time.
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