Tagged “reference”
285 pages · most loved first · page 7 of 12
Logically Fallacious
A searchable library of logical fallacies with clear definitions and original examples, built as a reference for sharper…
macOS Tips & Tricks
A collection of 150+ handy macOS tips covering shortcuts, hidden system features and command-line tools that most Mac us…
MakeItFrom.com
A materials database that compares the properties of metals, plastics, ceramics, and other engineering materials in clea…
Making Software
A beautifully illustrated reference manual explaining how software and hardware work, from how a touch screen senses fin…
Manned.org
An archive of man pages from many operating systems and distributions, searchable in the browser, for reading Unix and L…
Map History / History of Cartography
A vast WWW Virtual Library guide to the history of cartography, with over 100 pages on early maps, globes, map collectin…
Markdown Guide
A free and open-source reference guide explaining how to use Markdown, with basic syntax, extended features, and handy c…
Math is Fun
Clear, illustrated explanations of mathematics from basic arithmetic to calculus, with puzzles, games, and an illustrate…
Math Symbols List
A reference table of basic mathematical symbols and signs with the meaning of each, covering equality, inequality, brack…
MDN Web Docs
Mozilla's comprehensive documentation and reference for HTML, CSS, JavaScript, and Web APIs, widely used by web develope…
MedlinePlus - Health Information from the National Library of Medicine
Free U.S. National Library of Medicine service with reliable information on conditions, drugs, genetics, and medical tes…
MetaNumbers
A number encyclopedia that shows everything about any positive integer you enter: prime factorization, divisors, binary…
Mike Eckman Dot Com
An enthusiast's reference library of vintage cameras, with indexed reviews by company, film type and model, plus a camer…
Mindat
The world's largest open database of minerals, rocks, and localities, with photographs and data maintained by a communit…
Minerals.net
A comprehensive online mineral and gemstone encyclopedia with photographs, chemical properties, and identification guide…
Moby Thesaurus
A free, open-source site for searching the largest thesaurus in the English language, with synonyms and related words fo…
MobyGames
The oldest and largest video game database, cataloguing credits, screenshots, and release data for hundreds of thousands…
MultiTree
A digital library of scholarly hypotheses about how the world's language families are related, letting users compare com…
MythNET
A comprehensive guide to Greek and Roman mythology with pages on gods and heroes, plus a game and search, part of the Cl…
NationalAnthems.info
A reference site covering over 400 past and present national anthems with background, sheet music, audio, and lyric tran…
NavWeaps
A directory of world naval weapons from 1880 to the present, with essays on naval technology, orders of battle, and list…
New World Encyclopedia
A free online encyclopedia with articles on history, science, religion, and culture, written for readers who want a valu…
Ninjawords
A really fast online dictionary built for quick lookups, returning clear, concise definitions with minimal clutter so yo…
Number Academy
An encyclopedia of natural numbers with facts and properties for each one, plus random number generators, Roman numerals…
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