Free Programming Books↗
List of Free Learning Resources In Many Languages
Affiliate recommendation: Rewardful
Try Rewardful
Education
Lose the Very↗
"Very good english" is not very good english. Lose the very.
Advent of Code 2025↗
Advent calendar of small programming puzzles for all levels.
Safe Substance↗
Interactive drug harm reduction
SP
SP
St. Peter's Basilica Virtual↗
Explore the Papal Basilica's digital tour and history.
The Awful German Language↗
A humorous take on learning German.
Musical Circle of Thirds↗
Explore chords, scales, and intervals interactively.
Many Hard Leetcode Problems↗
Use the right tool for the job.
PathSpotter↗
Take a free quiz to match your strengths to careers you'll love.
Entertrained↗
Practice typing by retyping books
The Cyber-Cleanse↗
Take Back Your Digital Footprint
Sign Learner↗
Learn sign language as you browse the internet.
LS
LS
Luna - Space Simulation↗
Free browser-based space simulator with n-body physics.
The Bluesky Dictionary↗
Can Bluesky say every word in the English language?
Objects of Our Life↗
Exclusive footage of Steve Jobs on design philosophy
Phone Camera↗
iPhone Camera vs Real Camera Comparison
Lexi Explorer↗
Learn languages free online with interactive vocab tools.
