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Published directory entries matching your search.
Punchfork aggregates new recipes from hundreds of leading food blogs and organizes them in an image-driven visual layout. It offers natural-language search, recipe scores and sorting by trending or top rated, with filters for diets and courses. Users can save recipes to custom collections.
pwn.college is an education platform where learners develop and practice core cybersecurity skills in a hands-on fashion. It is maintained by a team of hackers at Arizona State University and powers much of ASU's cybersecurity curriculum. The platform is open and free to participants worldwide.
Qalculate! is a multi-purpose cross-platform desktop calculator. It provides everyday tools such as currency conversion and percent calculation, along with advanced capabilities including symbolic calculations, arbitrary precision, unit conversions, and plotting. The software includes over 400 functions and 400 units, supports various number bases, and offers a user-friendly interface with Gtk, Qt, and CLI options. It is free software licensed under the GNU Public License v2 or later.
QB64SourceCode provides educational videos, lessons, tutorials, or self-learning resources.
QPaths is a tool for building visual intuition for basic quantum terms. It offers superposition paths including Bell state, GHZ state, and QFT, and directs users to BlueQubit to simulate quantum circuits.
A large online directory of thousands of free e-books on science and technology subjects, including computer science, medical science, mathematics, physics and biology. Users can upload their own books, which are checked before being added, or request a book. Links are listed by publisher and category with a download link for each title.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
QuizFlow is an open-source, ad-free Android app for creating and studying custom word lists with interactive flashcards and quizzes. It includes progress stats, text-to-speech pronunciation, import and export of lists, and works fully offline. The upstream source repository was archived, so no further updates are planned.
Quizlet provides educational videos, lessons, tutorials, or self-learning resources.
This site hosts the first edition of R for Data Science, published January 2017, a book teaching data science with R: importing data, structuring, transforming, visualising and modelling it, plus grammar of graphics, literate programming and reproducible research. The site notes the edition is out of date and points to a second edition.
An online book by Hadley Wickham and Jennifer Bryan teaching how to create R packages, the units of shareable, reusable and reproducible R code. It covers turning code into packages others can download and use, is free to read online under a license, and can be ordered in print.
r/APStudents Course Survey is a public Google document or spreadsheet containing organized links, notes, data, or resources.
Reddit language-learning wiki with study tools, courses, dictionaries, and community resources.
r/MedicalSchool Wiki points to a Reddit community or thread with discussion, updates, troubleshooting, or shared resources.
r/medicalschoolanki points to a Reddit community or thread with discussion, updates, troubleshooting, or shared resources.
RadiologyEducation.com is a digital library of radiology education resources. It collects links to lectures, textbooks, teaching files, anatomy atlases, clinical practice guidelines and patient education, organized by subspecialty including breast, chest, emergency, musculoskeletal and pediatric radiology. It also lists mobile apps, ebooks and podcasts.
Ran Art Blog is a personal website by Ran, a realist painter and art instructor, dedicated to teaching drawing and painting. It features free tutorials, tips and techniques in its blog section, alongside a gallery of realistic oil paintings of seascapes, landscapes and animals.
RateMyDorm is an education platform focused on college dorm information. It hosts authentic student reviews of over 2,000 North American dorms, provides dorm photos, forum discussions, and allows users to submit anonymous dorm reviews.
RateMyProfessor provides educational videos, lessons, tutorials, or self-learning resources.
Ray Optics Simulation is a web-based tool for creating and simulating 2D geometric optical scenes interactively. It provides components such as single rays, beams, mirrors, glass, ideal lenses, diffraction gratings, detectors and a ruler, with views for rays, extended rays, images and colors. Source code is available on GitHub.
RCPlanes Online is a site about radio-controlled model aircraft. It offers a basic aerodynamics guide, a beginners' guide and useful information about RC planes. It also provides calculators for center of gravity, wing loading, motor and propeller combinations, propeller static thrust, and plane performance.
Read Korean Letters provides educational videos, lessons, tutorials, or self-learning resources.
Read Scott Alexander is a fan-made archive of writing by Scott Alexander from his Slate Star Codex, Astral Codex Ten and other associated blogs. The site provides searchable, sorted and classified access to the full collection of posts, plus browsing by tags, linked domains and date ranges, and the ability to mark posts as read on a user's device.
RealKana provides educational videos, lessons, tutorials, or self-learning resources.
