Archive through 2026-08-222511 cards in this category
Category home · 07
Courses, study systems, explainers, educational resources, and preparation for difficult tests.
Visual leads · 2026-08-22
Observed 2026-08-22
Pgnaut teaches PostgreSQL inside the browser
pgnaut.com
A free, account-free PostgreSQL course with a real Postgres 18 server running locally in WebAssembly.
Observed 2026-08-22
Measure of Chance
measureofchance.com
A first course in probability, built around sixteen chapters, interactive labs, and problems with full solutions.
Observed 2026-08-22
Solon Press Teaches Deal Lawyers by Putting the Whole Transaction on the Table
solonpress.com
Solon Press offers interactive legal workbooks built around complete fictional M&A, finance, venture, and due-diligence transactions.
Observed 2026-08-22
The EMS Standard Turns Emergency Calls Into Replayable Classroom Drills
theemsstandard.com
A dispatch-grade EMS simulator that lets crews train together across monitors, ventilators, medication workflows, patient dialogue, scene displays, and debrief analytics.
Observed 2026-08-22
Cataloghaus Turns Music-Business Paperwork into a Curriculum
cataloghaus.com
An online academy helping independent artists manage metadata, royalties, releases, branding, licensing, and the long tail of a music catalog.
Observed 2026-08-22
Cognitive Dynamics Studio’s Four Models of Cognition
cognitivedynamicsstudio.com
An interactive educational laboratory for exploring four computational visualizations of causal, dialectical, panoramic, and synergetic dynamics.
Observed 2026-08-22
Diagnordle — The Daily Medical Diagnosis Puzzle
diagnordle.com
A daily case-solving game where players read a medical presentation, guess the diagnosis, and unlock clues when they miss.
Observed 2026-08-22
Exposure Lab, a camera you can learn from
exposurelab.app
An interactive camera-exposure simulator that teaches aperture, shutter speed, ISO, focus, depth of field, and metering without requiring a physical camera.
The complete daily department
The eight visual leads appear above; the remaining 17 continue here in their published shelf order.
إنجازي — A Research Platform for Schools and Universities
injazi.online
An Arabic research-writing platform that guides students from an initial idea to a finished paper.
Langvie Makes Films into German Lessons
langvie.app
Langvie turns German film subtitles into vocabulary cards, pairing each word with the line and timecode where it appears.
Newbie ICU, a Vietnamese library for intensive care
newbieicu.com
A Vietnamese ICU knowledge library combining 360 structured articles with 29 bedside clinical calculation tools.
Karotto Turns Coding Into Small Puzzles
playkarotto.com
Karotto is a multilingual coding-and-logic learning app for young children, built around guided drag-and-drop challenges rather than typing code.
Pocket Kids Lab: Four Quiet Learning Games
pocketkidslab.com
A free collection of browser games for learning clock reading, the Greek alphabet, U.S. states, and human bones.
Little Sprout Learning Quest
qceg.site
A bilingual interactive classroom journey for children ages 4–8, built around movement, vocabulary, matching games, quizzes, drawing, and a parent showcase.
TelemView’s high-power AI rack school
telemview.space
Nevada-based specialist training for data-center manufacturing, electronics assembly, cable harnesses, fiber optics, and electrical enclosures.
Yiko: Practice the Sentence You Actually Need to Say
yiko.app
Yiko turns your Chinese sentences into natural English or Cantonese, then lets you practise saying them aloud on your phone.
로지음: A Korean Law-School Admissions Studio
lawjieum.com
A free preparation suite for Korean law-school applicants, combining admissions research, LEET score tracking, personal-statement drafting, and interview practice.
AffixPath Word Desk, a pocket morphology workshop
affixpathworddesk.site
An offline Android study tool for assembling prefixes, roots, and suffixes into words, then testing their meanings, parts of speech, and validity.
RationSquare Feed Lab
rationsquarefeedlab.site
An offline Android classroom workshop for teaching Pearson-square feed-mixing mathematics.
تأسيس Lab: Learn, Recall, Advance
taseeslab.online
An Arabic learning platform that combines interactive reading, general-culture lessons, and memory and focus training.
Airplane & Rocket Show
kajoor.show
A bilingual live science masterclass about the physics of flight, rockets, stability, combustion, energy density, and aerodynamics.
Proof & Principle: Spirits School for the Working Bar
proofandprinciple.com
A structured spirits academy for bartenders and hospitality professionals, covering whisky, rum, Cognac, Tequila, and related production traditions.
A Spelling Test That Reads the Words Back
spellingtestmaker.com
A free browser-based tool that turns a pasted spelling list into an audio test, practice exercises, marked results, and printable sheets.
多田野幼稚園: The Kindergarten with a Secret Base
tadanoyouchien.com
A kindergarten in Fukushima, Japan, built around full-contact outdoor play in forests, mud, rice fields, and snow.
YKSTercihim.net Turns YKS Preparation Into a Dashboard
ykstercihim.net
A Turkish YKS exam platform combining TYT and AYT score calculation, a live exam countdown, and a university preference tool.
Across the archive
2,511 cards provide an early longitudinal view—not a measure of the whole web.
The rolling 21-day upper threads compare daily category medians; the bold thread is Learning & Exams. Below, signal colour shows the share of that day’s published Learning & Exams cards carrying each mark.
This exposes association inside the published catalogue, not causation or site quality. The 80+ threshold is the pipeline’s editorial-interest score.