Title: Xah Lee
Link: http://xahlee.info/
Description: Nearly 4,000 mathematics and programming, tutorials and essays written by Xah Lee, the eminent Emacs user. There is also an offline version which you can buy and support his work http://ergoemacs.org/emacs/buy_xah_emacs_tutorial.html.
Topic: _Guides _Programming _Mathematics
Paid: If you want the offline version, then yes.

Title: Real Python
Link: https://realpython.com/
Description: Learn Python from scratch. I've been using this for about a week now. It's super great. They provide videos, articles, and exercises. They also have a book which you can buy (if you want to study offline).
Topic: _Guides _Programming

这个好耶！

Title: Complete strength training guide
Link: https://www.strongerbyscience.com/complete-strength-training-guide/
Description: Evidence-based guide to becoming strong (weightlifting guide, not a bodybuilding guide).
Topic: _Guides _Sport

Title: Rookie Road
Link: https://www.rookieroad.com/
Description: Your online destination to discover or learn a sport
Topic: _Games _Guides _Learning

Title: Julian Shapiro
Link: https://www.julian.com/guide/muscle/intro
Description: How to build muscle according to evidence-backed science. A complete guide that takes you from A to Z. This was originally posted by other users in #general.
Topic: _Guides _Sport

Title: pytudes
Link: https://github.com/norvig/pytudes
Description: Python programs, usually short, of considerable difficulty, to perfect particular skills.
Topic: _Programming

Title: FreeTube + Privacy Redirect
Links:
- FreeTube: https://freetubeapp.io/
- Privacy Redirect (Firefox): https://addons.mozilla.org/en-US/firefox/addon/privacy-redirect/
- Privacy Redirect (Chrome): https://chrome.google.com/webstore/detail/privacy-redirect/pmcmeagblkinmogikoikkdjiligflglb?hl=en
Description: FreeTube is a desktop, privacy-focused client for YouTube. Some features: no account required, subscriptions, themes, distraction free settings (hide videos, like/dislikes, recommendations, etc.), and more. Combine it with the Privacy Redirect browser extension to automatically redirect web YouTube videos to FreeTube.
Topics: _Tools _Privacy _Productivity

---
Title: The Syllabus
Link: https://www.the-syllabus.com/
Description: (Freemium) A curated newsletter for high-quality digital media: podcasts, videos, articles and papers. Can subscribe to a variety of topics. And more!
Topic: _Newsletter

Title: Developer Roadmaps
Link: https://roadmap.sh/
Description: Step by step guides and paths to learn different tools or technologies. This was originally posted by another user in #general.
Topic: _Guides _Self-education _Free-learning _ComputerSciences _Dev

Title: Vidipedia
Link: http://www.vidipedia.org/
Description: Wikipedia, but for videos. Perhaps useful for Incremental Video collections. It has different categories which you can choose from.
Topic: _IncrementalVideo _Science _Culture _History _Geography
Title: Wikibooks
Link: https://wikibooks.org/wiki/Main_Page
Description: Wikibooks is for textbooks, annotated texts, instructional guides, and manuals. These materials can be used in a traditional classroom, an accredited or respected institution, a home-school environment, as part of a Wikiversity course, or for self-learning.
Topic: _Textbooks _Self-education _Free-learning
Title: Autodidact Project
Link: http://www.autodidactproject.org/
Description: As the name suggests, this is dedicated to free-learners. It has many study guides that are hopefully useful.
Topic: _Guides _Self-education _Free-learning
Harvey — 2021/03/25

Title: Your Bias Is & Your Logical Fallacy Is
Link: https://thethinkingshop.org/
Description: Super neat website which teaches you about the 24 different cognitive biases and fallacies. It reminds me of https://ncase.me/remember/.
Topic: _Bias _Psychology _Fallacy

Title: Clearer Thinking
Link: https://www.clearerthinking.org/
Description: In-depth conversations exploring useful ideas related to psychology, society, philosophy, science, AI, math, economics, self-help etc.
Topic: _Podcast _Self-help _Psychology _Mathematics _Economics _AI

Title: Neri Rook's Beginner Language Books
Link: https://www.smashwords.com/profile/view/neribr
Description: These are frequency lists of 200 words with 2000 beginner-level example sentences for many languages- Dutch, German, Spanish, etc. Many of the example sentences are similar-information encoded differently. All are free to downlaod in various formats including .epub and .txt for easy import to SM.
Topic: _Language _Vocabulary

Title: Better Explained
Link: https://betterexplained.com/
Description: Truly understand new mathematical concepts. Enjoy clear, intuitive lessons about imaginary numbers, exponents, and more. This was originally posted by another user in #mathematics.
Topic: _Mathematics

Title: Learn LaTeX in 30 Minutes
Link: https://www.overleaf.com/learn/latex/Learn_LaTeX_in_30_minutes
Description: Overleaf is a site that lets you use LaTeX almost like Google Docs; collaborative, on-the-same version, and with a side-by-side editor and publish preview. Their documentation for learning LaTeX is terrific.
Topic: _Mathematics, _Publication

Title: MathTheBeautiful YouTube channel
Link: https://youtube.com/c/MathTheBeautiful/
Description: Mathematics topics ranging from High School Algebra to advanced subjects such as Linear Algebra, Calculus and beyond.
Topic: _Mathematics
Title: Professor Leonard YouTube channel
Link: https://www.youtube.com/user/professorleonard57/
Description: Plenty of videos on various levels of maths. New videos are uploaded weekly.
Topic: _Mathematics

Title: Fort Bend Tutoring YouTube channel
Link: https://www.youtube.com/user/FortBendTutoring/
Description: Videos used to showcase many of the strategies we use to solve various concepts in Mathematics, Algebra, Geometry, Trigonometry, Pre-Calculus and Calculus.
Topic: _Mathematics
Title: blackpenredpen YouTube channel
Link: https://youtube.com/c/blackpenredpen
Description: Lecture-like videos regarding various random maths topics. The lectures are very interactive and enjoyable.
Topic: _Mathematics
Title: numberphile YouTube channel
Link: https://youtube.com/user/numberphile
Description: Not your typical educational channel. Frequent short videos on random, but very fun, mathematical topics.
Topic: _Mathematics

Title: Huberman Lab Podcast
Link: https://www.youtube.com/c/AndrewHubermanLab/videos
Description: Podcast about applications of neuroscience for everyday life
Topic: _Neuroscience _Biology _Learning _Sleep _Stress

Title: 3blue1brown
Link: https://www.3blue1brown.com/
Description: Some combination of math and entertainment, depending on your disposition. The goal is for explanations to be driven by animations and for difficult problems to be made simple with changes in perspective.
Topic: _Mathematics

Title: Language Pod 101
Link: https://www.languagepod101.com/
Description: Neat website which covers many languages in video and written format. Perhaps the most popular one is their Japanese course.
Topic: _Languages

Title: What do you need to know to learn a foreign language?
Link: https://www.wgtn.ac.nz/lals/resources/paul-nations-resources/paul-nations-publications/publications
Description: Paul Nation's short beginner guide providing you with the basics of language learning. Available in 5 different languages!
Topic: _Languages