Reference
78 sites
https://shadowlibraries.github.io/
Shadow Libraries is a curated directory of pirate library resources, aggregating links to free ebook sources like Anna's Archive, LibGen, Internet Archive, and more. It organizes access methods by type including direct downloads, torrents, IRC channels, Telegram bots, and online reading platforms, making it a handy one-stop reference for free digital book access.
http://novaroma.org/via_romana/numbers.html
A focused reference page from Nova Roma explaining the Roman numeral system, complete with an interactive converter tool that translates between Arabic and Roman numerals. The page covers the history, rules, and usage of Roman numerals, including subtraction notation and large number representation, making it a handy educational resource.
http://dreammoods.com/
Dream Moods is a comprehensive online dream interpretation resource featuring a 6000+ word dictionary organized A to Z, covering hundreds of dream symbols, common dream scenarios, and theoretical frameworks from Freud, Jung, and others. Visitors can explore topics ranging from lucid dreaming and nightmares to recurring and prophetic dreams, making it one of the more thorough free dream reference sites on the early web.
https://zhongwen.com/
Zhongwen.com offers a comprehensive Chinese-English etymological dictionary focused on traditional Chinese characters, tracing the pictographic and historical origins of each character. Learners of Mandarin and linguistics enthusiasts alike will find it invaluable for understanding how Chinese writing evolved from ancient pictographs through sources like the Shuowen.
https://nowebwithoutwomen.com/
No Web Without Women is an educational showcase highlighting the pivotal contributions of women in computer science and technology, featuring profiles of pioneers like Ada Lovelace, Hedy Lamarr, and Grace Hopper with historical images and clear explanations of each innovation. The site makes a compelling case for how foundational technologies like algorithms, wireless transmission, and compilers owe their existence to overlooked female inventors and scientists.
https://itl.nist.gov/div898/handbook/index.htm
The NIST/SEMATECH e-Handbook of Statistical Methods is a comprehensive online reference produced by the National Institute of Standards and Technology, covering statistical techniques used in science, engineering, and manufacturing. It serves as an authoritative guide for practitioners needing rigorous, well-documented methods for data analysis, quality control, and process improvement.
https://guides.library.iit.edu/c.php?g=853311&p=6108547
A curated library guide from Illinois Institute of Technology's Galvin Library, collecting recommended physics websites, databases, and journals for students and researchers. The guide covers major organizations like AIP, APS, CERN, and Fermilab, along with educational resources such as the Feynman Lectures, HyperPhysics, and historical archives like the Einstein Papers Project.
https://mind-scape.neocities.org/list
MindScape is a mental health reference site that catalogs a wide range of psychological disorders, from personality and mood disorders to dissociative and psychotic conditions, with brief, accessible descriptions of each. Visitors will also find links to crisis helplines, therapist finders, and self-help tools, making it a practical starting point for anyone seeking to understand mental health conditions.
https://gametheory.net/
Created by Mike Shor, Game Theory .net is a comprehensive hub for learning and teaching strategic decision-making, offering lecture notes, textbooks, a terminology dictionary, interactive demonstrations, and real-world business applications. It serves a wide audience from students and educators to professionals and math enthusiasts, making game theory concepts accessible across multiple levels of expertise.
https://madsci.org/
MadSci Network is a nonprofit Ask-A-Scientist platform where a collective of real scientists answer user-submitted questions across biology, chemistry, physics, astronomy, and more, with over 36,000 archived answers available. The site also features science fair resources, FAQs on common topics like bread molds and caffeine, interactive labs, and a Random Knowledge Generator, making it a rich hub for curious minds of all ages.