The organization of knowledge for practical purposes, relating to computers. Includes robotics and search engines.
BotWiki: Community of robot makers, or people wanting to become a robot maker.
Citeseer: Computer Science (harvested from distributed websites).
DuckDuckGo: An alternative search engine that doesn’t track you! More privacy and security.
Ecosia: A search engine that donates 80% of its ad profits to planting trees in Brazil. Now you can help the world while browsing the web!
Free Computer Books: Books about computers mathematics, technical stuff, and more.
Free Tech Books: Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes. Learn coding.
Ixquick: A totally private search engine. Optimal privacy and security.
Just Delete Me: Find information on how to get your information deleted from popular sites.
Keybr: Learn how to type, or learn how to type faster.
Let’s Make Robots: Learn. Build. Share.
LinkAPedia: Find new links and sites based on subjects.
Microsoft Virtual Academy: Courses and free learning. Most are related to Microsoft products and their purposes.
Nist: National Institute of Standards and Technology.
Norse Attack Map: Watch live cyber attacks and view information on them. Visually appealing, mentally alarming.
Papaly: Bookmark manager and link finder. Explore the web efficiently and share your finds with friends.
Ratatype: Free online typing tutor.
The Robot MarketPlace: Find everything you need to build your own robot. Maybe go on Robot Wars?
The WWW Virtual Library: Claims to be the oldest catalog of the web. Either old or new it is still useful.
Wayback Machine: Look at the past of any website, including the Wayback machine’s site!