Philosophical foundations of decision-making — from Stoicism to Bayesian reasoning and existentialism

Lessons from history's greatest failures — learn what NOT to do

Clear practical guide to decision trees — the foundational tool for structured decision analysis in business, medicine, and AI

Comprehensive notes on Kahneman's Thinking, Fast and Slow — System 1/2, biases, prospect theory, and better decisions

Free 7-Day Email Course: Master Buffett's Investment Principles | KeepRule

Charlie Munger's mental models, investment principles, and life philosophy — comprehensive wisdom collection

Free interactive investment education tools — Portfolio Health Check, Fear & Greed Calculator, Decision Tree. Powered by KeepRule.

Practical framework for personal OKRs — turning vague ambitions into measurable outcomes

Systematic checklist for evaluating real estate investments using Buffett-inspired principles

A systematic checklist for rebalancing your investment portfolio

Investment principles from Buffett, Munger & masters - NPM package | keeprule.com

Curated productivity principles from legendary thinkers — Eisenhower, Pareto, Deep Work, and more

An accessible introduction to systems thinking for better decisions

Curated notes from the world's greatest value investors

Auto-publish investing quotes from legendary investors. 365 curated quotes, multi-platform (Bluesky/Telegram/Twitter), cron-ready.

Curated collection of powerful decision-making quotes from Buffett, Munger, Einstein, Seneca, and more

A structured template for tracking your decisions daily

Games and simulations to practice decision-making under uncertainty

Practical handbook for risk identification, assessment, and management across investing, business, and life

A practical guide for managers to make faster, better decisions