Encyclopedias & FAQs
109 sites
https://secretonions.neocities.org/
Secret Onions is a community-maintained Tor hidden service link directory focused on legitimate content, tools, and knowledge rather than scammy dark web marketplaces. Curated with an anti-surveillance, pro-privacy philosophy, it organizes onion links into categories like forums, email services, file hosting, software, and search engines while actively filtering out scam and marketplace sites.
https://ss64.com/
SS64 is a comprehensive command line reference covering Linux, macOS, Windows CMD, PowerShell, VBScript, and more, maintained since 1999. It serves as an essential quick-reference tool for sysadmins, developers, and power users who need syntax and usage details for hundreds of shell commands.
https://getmylinks.tripod.com/
Juanita Ville's personal link collection organizes dozens of categories spanning astronomy, crafts, diet, entertainment, health, and webmaster tools in a classic Tripod-era style. A compact but eclectic curated directory from the early web era, it offers quick-access links to everything from UFO sites and horoscopes to webcams and retirement resources.
https://zytrax.com/books/dns/ch8/cname.html
ZyTrax hosts a comprehensive technical reference guide covering DNS records, with this chapter dedicated to CNAME (Canonical Name Record) syntax, usage, and zone file examples. Part of a broader open guide by Ron Aitchison, the site spans DNS, LDAP, networking protocols, SSL/TLS, and much more, making it a deep technical resource for sysadmins and network engineers.
https://digital.library.upenn.edu/books
The Online Books Page, edited by John Mark Ockerbloom and hosted by the University of Pennsylvania, catalogs over 3 million freely available books on the web, searchable by author, title, subject, and serial. It features curated collections highlighting women writers, banned books, and prize winners, making it one of the most comprehensive free ebook directories on the internet.
https://jewishencyclopedia.com/
JewishEncyclopedia.com hosts the complete digitized contents of the 1906 Jewish Encyclopedia, covering thousands of entries on Jewish history, religion, culture, biography, and geography. An invaluable reference resource, it provides free public access to a monumental work of scholarship that remains remarkably relevant despite its age.
http://digest.textfiles.com/
A subdomain of the legendary Textfiles.com, this archive hosts over 1,400 digitized digest files spanning decades of early internet culture, including the Computer Privacy Digest, Computer Underground Digest, and Telecommunications Digest. Researchers and digital historians will find an invaluable primary source collection documenting hacker culture, privacy debates, and telecom policy from the 1980s through the late 1990s.
https://ooh.directory/blogs/science
Created and maintained by Phil Gyford, ooh.directory is a curated collection of blogs organized by topic, with this section dedicated to science covering earth science, mathematics, space, medicine, and the natural world. Visitors can filter entries by country and update frequency, making it a handy hub for discovering active science blogs and subscribing via OPML or RSS.
http://infosthetics.com/
Information Aesthetics is a long-running blog curating and showcasing the best in data visualization, infographics, and information design from around the web. Posts cover everything from cancer incidence charts to city dashboards and cultural history timelines, making it a rich resource for anyone fascinated by how data can be transformed into compelling visuals.