Encyclopedias & FAQs
109 sites
http://geniac.net/odp
Created by ODP editor geniac, this page tracks and compares the growth of the Open Directory Project (DMOZ) and Yahoo Directory through detailed size charts and milestone tables spanning 1998 to 2004. It's a fascinating historical snapshot of the early web directory wars, complete with projected vs. actual crossover dates and a Q&A section explaining the methodology behind the size calculations.
https://rumkin.com/tools/cipher
Tyler Akins' Rumkin.com hosts a comprehensive collection of browser-based cipher and code tools, covering everything from classic substitution ciphers like Caesar and Atbash to more obscure ones like Playfair and Übchi. Each tool automates the encoding and decoding process while explaining the underlying logic, making it a valuable reference for cryptography hobbyists and puzzle enthusiasts alike.
http://searchenginesoftheworld.com/
Search Engines of the World is a long-running directory cataloging internet search engines organized by geographic region, covering Africa, America, Asia, Australasia, Europe, and global resources. Dating back to 1996, it serves as a reference for finding region-specific search tools from around the globe.
https://tilde.club/~miccaman/delicious
A massive archive of 10,561 bookmarks saved by tilde.club user miccaman via the Delicious bookmark service between 2005 and 2014, preserved here after Delicious shut down. The collection spans web design, programming, art, and internet culture, with a built-in linkrot analysis showing which URLs have gone dead over the years.
https://unbubble.eu/
Unbubble.eu was a German-language privacy-focused meta search engine that closed in March 2019, and this archived page now serves as a curated guide to Google alternatives including Metager, Qwant, DuckDuckGo, Mojeek, and specialty search tools. Visitors can find categorized listings of independent search engines, children's search tools, and specialized search services, making it a useful reference for anyone seeking to escape the Google/Bing duopoly.
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://gnupg.org/gph/en/manual/x56.html
A chapter from the GNU Privacy Handbook covering the essentials of exchanging public keys using GnuPG, including exporting, importing, and validating keys via command-line tools. The guide walks through practical examples with real GPG commands, making it a valuable reference for anyone learning to use public-key cryptography with GnuPG.
https://researchbuzz.me/
ResearchBuzz has been covering the world of search engines, databases, archives, and online information resources since 1998, making it one of the longest-running research-focused web publications around. Run by a single author known as ResearchBuzz, the site pairs news commentary with a growing suite of original tools like SearchTweaks, Local Search America, and Congress Corral that help users get more out of Google, Wikipedia, and RSS feeds.
http://nongnu.org/chmspec/latest
Edited by Paul Wise and Jed Wing, this unofficial specification documents Microsoft's HTML Help system in exhaustive technical detail, covering the CHM file format, LZX compression, XML structure, and all associated configuration options. Reverse-engineered without NDA restrictions and released under the GNU GPL, it serves as a rare open reference for developers working with or building tools around the proprietary .chm format.
http://repairfaq.org/
Samuel M. Goldwasser's massive electronics repair reference hub, featuring his legendary 'Notes on the Troubleshooting and Repair of...' series covering consumer electronics, lasers, and household devices. With over a thousand links to technology resources and the comprehensive Sam's Laser FAQ, this is a go-to destination for electronics hobbyists, technicians, and engineers tackling real-world repairs.