Magoosh GRE Blog

Hundreds of free articles, study guides, vocabulary lists, and strategies for GRE verbal, quant, and writing.

MiT Open CourseWare

MIT OpenCourseWare offers free access to thousands of MIT course materials?lectures, assignments, and exams?covering subjects from engineering and computer science to economics and the humanities. It's open learning at its best, with no registration required.

Power BI Guided Learning (Microsoft)

Step-by-step tutorials directly from Microsoft, teaching data connection, modeling, visualization, and publishing dashboards.

Google Data Analytics Certificate (Audit Free)

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

CS50?s Introduction to Python

Harvard?s free course introducing programming using Python, with video lectures, notes, and problem sets.

PyBites Platform (Free Exercises)

Short, practical coding exercises (some free) focused on solving real-world problems in Python.

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.

SQLBI

Extensive library of free articles, guides, and videos on DAX, data modeling, and BI concepts by expert consultants Alberto Ferrari and Marco Russo.

CNA ? Gaming & Integration Program

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

Harvard Business School Online - Data Science Ready (Free Modules)

Intro modules teaching how analytics applies to business decisions, tailored for managers and analysts.

Quick-R (StatMethods)

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

DataCamp

DataCamp is an online learning platform that specializes in data science, analytics, and artificial intelligence, offering interactive courses in Python, SQL, R, and other key technologies. Learners can build practical skills through hands-on coding exercises, real-world projects, and guided career tracks?all accessible from a browser at their own pace.

MOOC.fi - Introduction to Data Analysis with Python

Free course from University of Helsinki teaching data analysis workflows with Python and Pandas.

Udemy

Udemy is a global learning platform offering self-paced courses in analytics, statistics, and decision modeling?ideal for those pursuing or preparing for a U.S. Army ORSA role.

Manhattan Prep GRE Resources

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

Ready4GRE Vocabulary App

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

Build a Large Language Model from Scratch

Charanpal Dhanjal

A hands-on guide to constructing your own LLM using modern machine learning techniques

ETS GRE Official Prep

Free official materials from ETS including practice questions, POWERPREP online practice tests, and test-taker tips.

LearnPython.org

Interactive, browser-based Python tutorials ranging from basic syntax to advanced modules.

Project Euler

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