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

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

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

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

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

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

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

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

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

Introduction to decision psychology — cognitive biases, heuristics, System 1 vs System 2, and debiasing strategies

Comprehensive notes on Ray Dalio's Principles — life, work, and investment frameworks from the Bridgewater founder

What Type of Investor Are You? Take this 2-minute quiz to discover your investing personality.

Free Investment Principles API - Curated wisdom from Buffett, Munger & more | keeprule.com

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

A structured template for tracking your decisions daily

Ready-to-use templates for strategic planning, OKRs, and decision logs

Curated reading list of the best books on decision science and rational thinking

A practical guide for managers to make faster, better decisions

A practical framework for smarter personal finance decisions

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