A calculator with the basic functions and a customizable widget.
- Warning
- Calculator
- Freemium • Proprietary
- Android
- Android Tablet
- F-Droid



A calculator with the basic functions and a customizable widget.



ClassQuiz is a quiz-application like KAHOOT!, but open-source which is very important if it is a product for educational purposes. You can create quizzes and play them remotely with other people. It is mainly made for teachers, who create a quiz, so students can compete with...

Cross-platform and international dictionary.


Since 2004, Encyclopedia Dramatica is a central catalogue for organized reference pages about drama, memes, e-pals and other interesting happenings on the Internet written in a sharply satirical manor.
The best way to organize education by tutorials from YouTube. The extension extends the functionality of YouTube: adds the opportunity for collecting playlists as courses, tracking the progress of training, recommends relative courses and more.

Calctus is a powerful RPN calculator application for Windows designed for engineers, featuring syntax highlighting, auto-completion, and support for various number formats.

Free app with fast, effective Bible study tools offering various versions, powerful search, and editor for sermons and notes, enhancing experience.

KTechLab is an IDE for microcontrollers and electronics. It supports circuit simulation, program development for microcontrollers and simulating the programmed microcontroller together with its application circuit.

Emojipedia is the world's #1 emoji reference site providing up-to-date and well-researched information you can trust. It was founded in 2013 by Australian Jeremy Burge.

Aloud is part of Area 120, Google's in-house incubator for new products and services. Using Aloud, creators can quickly and easily dub their videos into multiple languages, unlocking knowledge that might be trapped in a single language today.

The PBS KIDS Video app gives kids and parents access to thousands of free videos, including full episodes and clips from top PBS KIDS series.

Visit the Museum of All Things, a nearly-infinite virtual museum generated from Wikipedia!

Spotter Studio provides Creators with an integrated solution for video brainstorming, research, and project planning. It's your all-in-one place to develop and organize high-performing video concepts, titles, and thumbnails solo or collaboratively with others.

Immerse in language learning using authentic audio, text, and online content, track vocabulary progress, review with SRS, and study offline or online.



Easy to use, open-source Learning Management System.

TutorFlow helps teachers, schools, and L&D teams deliver hands-on learning with AI. Create interactive courses, quizzes, and smart classrooms from a single prompt.

Spaced-repetition app, the best for scientists and coders. With rich formatting, with images, with code formatting, with formulas, with multiple flashcard types. Entirely free, open-source.

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Faster plagiarism checker with privacy features, keyword analysis, and multiple file support in over 80 countries aids students, teachers, and SEOs.

Pocket Scholar is a science-learning platform centered around breaking down complicated science topics into smaller chunks that makes them easier to understand. We believe in a future where everyone has access to high quality, college level content that they actually can...

Software for Simulating Voltage and Currents of a text file net-list of a electronics components such as Resistors, Capacitors, inductors, transisters, Diodes, Voltage and Current Sources, etc.

WikWok is a beautiful and functional app that transforms your Wikipedia reading experience into an engaging, TikTok-style article feed. Learn something new with every scroll!.



TTSMaker is a free text-to-speech tool that provides speech synthesis services, supports multiple languages: English, French, German, Spanish, Arabic, Chinese, Japanese, Korean, Vietnamese... and a variety of voice styles, you can use it reads text and e-books aloud, and can...

When learning to code, most people get stuck on the "bridge" between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases:
