Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?




Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?




LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

Build a network of academic papers and we'll analyze the network to help you discover the most relevant literature.


Welcome to WikiIndex, a wiki of all wiki, wiki people, wiki software, wiki farms, and wiki ideas, a 'work in progress' founded in 2006.

Algodoo gives you the opportunity to play with physics. Use your own hands and simple drawing tools to design, construct and explore the world of physics.


wxMaxima is a document based interface for the computer algebra system Maxima. wxMaxima provides menus and dialogs for many common maxima commands, autocompletion, inline plots and simple animations.




TensorFlow is an open source software library for machine learning in various kinds of perceptual and language understanding tasks.
Interactive language learning platform with game-like lessons, focusing on natural exposure and meaningful context instead of memorization or drills.




You no longer have to worry about choosing the right i18n library, editor, or platform. Tolgee is the only tool you need to translate your web-based project to any language you wish.




Language learning platform using original stories with diglot weave method; gradually introduces foreign words in context, tracks vocabulary, offers adjustable difficulty and bilingual modes.




Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.

Organize literature into ideas, fast. Intrigue lets you quickly organize the papers you read alongside your thoughts in a visual & clean manner. Features include:

Calculator provides simple and advanced mathematical functions in a beautifully designed app.




Fluently is your personal AI English tutor. It made for people who already know the basics of English but want to feel truly confident in real conversations: whether that’s in an interview, a meeting, or chatting with colleagues.




Comprehensive tool for refining writing with grammar checking, stylistic suggestions, and 25 reports. Enhances clarity, style, and error-free content.




Real-time AI voice translation for Mac. Works with Zoom, Teams, Meet, and all your favorite apps.


KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and drop, copy and paste or save to disk) from LaTeX equations. It is written in Qt4.



Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.




ForgetMeNot is an Android app for memorizing information via flashcards. Simplicity, usability, speed were taken into account in the process of developing this educational program. This app provides excellent conditions for achieving high efficiency of memorization.


Create a personalized sketch doll and make it pose. Design Doll allows the manipulation of sketch doll 3D models and the use of custom models and props imported from other programs or bought from its own marketplace.



Learn Spanish, French, German, Russian, and English with Lingvist – a hyper-efficient vocabulary builder that uses AI to improve your memory.




Data Crow is the ultimate media cataloger and media organiser. Always wanted to manage all your collections in one product? You want a product you can customize to your needs? Your search ends here! Using Data Crow allows you to create a huge database containing all your...



Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. It is used by MPEG playback software, emulators, and many popular games, including the...


Designed for beginners and professionals alike, Monarch is a command center that makes it easier than ever to switch apps, run calculations, search clipboard history, take notes and more with only a single hotkey. No complicated setup or configuration required.



