edX

edX is an American massive open online course provider created by Harvard and MIT. It hosts online university-level courses in a wide range of disciplines to a worldwide student body, including some courses at no charge.

Springboard Data Analytics Curriculum (Free Prep)

Introductory lessons and exercises to build foundation skills in Excel, SQL, and data storytelling.

EDX ? Analyzing and Visualizing Data with Power BI (Audit Free)

University of Illinois & Microsoft course teaching Power BI for analytics and reporting, free in audit mode.

Naval War College ? Research & Wargaming

Institutional hub for naval and joint wargaming?education, research collaborations, and sponsor-driven games.

CNA ? Gaming & Integration Program

Designs, facilitates, and analyzes sponsor-focused wargames for DoD and government decision-makers.

The AI-Driven Leader

Erik R. Peterson

A guide to leveraging AI for smarter decision-making and leadership strategies

Project Euler

Hundreds of challenging computational math problems that build problem-solving and programming skills.

AI Engineering

Andrew Ng

A practical framework for building real-world AI applications from foundational principles

Designing Machine Learning Systems

Chip Huyen

A practical blueprint for building production-ready ML systems with scalability and reliability

UK Fight Club (Professional Wargaming Network)

Community that promotes professional military wargaming and simulation activities across UK defense.

RADACAD Power BI Blog

Practical tutorials and tips on Power BI modeling, DAX, Power Query, and real-world scenarios written by MVPs.

Google Data Analytics Certificate (Audit Free)

Comprehensive beginner-to-intermediate program covering spreadsheets, SQL, R, visualization, and analytics workflows; free in audit mode.

Coursera

Offers beginner-friendly courses from top institutions like IBM and Duke. You can audit many courses for free, including topics like Excel, SQL, Python, and data visualization.

Connections Wargaming Conference

Annual international conference linking defense, industry, and academia to advance professional wargaming practice.

Art of Problem Solving (AoPS) Online Resources

Challenging problems, explanations, and articles designed for advanced high school and college-level students interested in problem solving and Olympiad-style math.

Quick-R (StatMethods)

Practical R tutorials focused on statistics, graphics, and data analysis, written in a straightforward, example-driven style.

Marine Corps University Press ? Wargaming Topic

Curated publications on wargaming theory and practice relevant to military education and planning.

SQLite Tutorial

Focused tutorials on SQLite, covering SQL basics, database management, and practical coding examples.

edX - Data Analysis for Life Sciences

Harvard's free online courses teaching statistics, inference, modeling, and machine learning in the context of data science.

Ready4GRE Vocabulary App

Free app with flashcards, quizzes, and personalized study plans for GRE vocabulary practice.