Math

Name Subject
Interactive Linear Algebra Basics
The Network Science Misc

Computer Science

Name Subject
How to Design Programs PL
Introduction to Theoretical CS TCS
The Joy of Cryptography Crypto
A Graduate Course in Applied Cryptography Crypto
Operating Systems: Three Easy Pieces System
Introduction to Computer Organization: ARM Assembly Language Using the Raspberry Pi System
Dive into Systems System
High Performance Browser Networking Networking
Computer Networks: A Systems Approach Networking
Mining of Massive Datasets Data
IBM Quantum Learning Quantum Computing
The Missing Semester of Your CS Education Misc
Python Notebooks for Fundamentals of Music Processing Misc
Introduction to Artificial Intelligence ML
Foundations of Computer Vision ML

Other

Name Subject
The Economy Econ
Economy, Society, and Public Policy Econ

Educational Games

Name Theme
The Deadlock Empire Concurrency
Pigeonetics Genetics

Japanese

Name Note
NHK高校講座 Mostly subtitled.
NHK for School Videos for kids. Mostly with transcripts.
NHK news seminar News in Q&A format.
NHK ことばの研究 Modern Japanese usage.
Japanese Graded Reader Project Group Free ebooks.
TADOKU free books Free ebooks.
少納言 Searchable corpus.
Higurashi When They Cry Hou Toggle JP/EN with L button.

Misc Lang

字喃字典

Music

Name Note
Open Music Theory Basic music theory.
Music Theory for the 21st-Century Classroom Basic music theory.
Maqam Lessons Maqam analysis.
Music Technology Online Repository Music tech fundamentals.
The Jazz Piano Site Jazz theories.