THE EDIT / CURATED LEARNING

Philosophy & Psychology

Study the mind, consciousness, behavior, meaning, and human nature.

TOOL
Clearer Thinking · Spencer Greenberg and collaborators · Free / Donation-supported · Interactive learning tools · All levels

Clearer Thinking

Interactive tools and educational resources focused on decision-making, reasoning, self-knowledge, forecasting, and cognitive biases.

THE EDIT: Useful for structured self-inquiry and better thinking habits. Treat quizzes and exercises as reflective tools rather than clinical or diagnostic instruments.
OPEN TOOL ↗
TOOL
Human Benchmark · Free · Browser-based cognitive tests · All levels

Human Benchmark

Collection of short browser tests measuring reaction time, sequence memory, verbal memory, typing, number memory, and related skills.

THE EDIT: Fun for personal benchmarking and repeated practice, but these tests are not clinical cognitive assessments and scores should not be treated as diagnoses.
OPEN TOOL ↗
WEBSITE FEATURED
Ncase · Nicky Case · Free · Interactive explanations and simulations · All levels

Ncase

A collection of playful interactive stories, simulations, and explainers exploring systems, social dynamics, networks, anxiety, trust, misinformation, and related ideas.

THE EDIT: One of the best examples of learning through interaction rather than passive reading. The projects make abstract systems feel tangible and memorable.
VISIT WEBSITE ↗
WEBSITE
LessWrong · LessWrong community · Free · Rationality essays, library, and discussion community · Intermediate to advanced

LessWrong

An online community and writing library focused on rationality, reasoning, decision-making, cognitive biases, AI, forecasting, and related intellectual questions.

THE EDIT: Valuable for encountering unusual arguments and frameworks for thinking. It is a community publication, not a peer-reviewed research database, so evaluate claims and sources accordingly.
VISIT WEBSITE ↗