Springboard Data Analytics Curriculum (Free Prep)

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

Tableau Public Resources

Free resources and tutorials for using Tableau to create interactive visualizations and dashboards.

ModernDive: Statistical Inference via Data Science

Free online textbook teaching statistical inference and regression using R and tidyverse methods.

Manhattan Prep GRE Resources

Free GRE study materials, strategy guides, and practice question sets.

HackerRank SQL Domain

SQL challenges of varying difficulty levels with instant online feedback, great for structured practice.

Designing Machine Learning Systems

Chip Huyen

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

Kasper On BI

Blog by a Microsoft program manager sharing deep-dive explanations of Power BI features and integrations with Azure and Excel.

The Coming Wave

Mustafa Suleyman

A visionary look at how emerging technologies will reshape the 21st century

AI Engineering

Andrew Ng

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

UC Berkeley Data 8 (Foundations of Data Science)

Introductory data science/analytics course using Python; includes lectures, labs, and exercises for free online.

Naval War College ? Research & Wargaming

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

GregMat (YouTube)

Popular YouTube channel with hundreds of free GRE quant and verbal walkthroughs, strategies, and practice problem explanations.

FreeCodeCamp - Data Analysis with Python

Full curriculum teaching Python for data analysis, including Pandas, NumPy, data cleaning, and visualization, with projects.

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.

R-Bloggers

Aggregator of hundreds of blogs covering R tutorials, packages, and real-world data science applications.

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.

Mode SQL Tutorial

Practical SQL lessons taught in-browser, with real-world datasets and instant feedback for analysts.

King?s Wargaming Network

Academic network advancing theory and application of wargaming for research and teaching within Security Studies.

Coursera - R Programming (Audit Free)

Johns Hopkins University?s R Programming course (part of the Data Science Specialization), free in audit mode with videos and quizzes.

Coursera - Math for Machine Learning (Audit Free)

University of London courses on linear algebra, multivariate calculus, and statistics for machine learning, available free in audit mode.