Mojo is a young, fast-moving language from Modular that blends Python syntax with systems-level performance for AI workloads, so the free learning ecosystem is still small compared to established languages. This guide sticks to resources that are genuinely free and currently live, and it will grow as the ecosystem matures.
A free, full-length beginner course from freeCodeCamp covering variables, functions, control structures and Mojo's AI-focused features.
Modular's own workshop repository with hands-on session materials for learning Mojo and MAX, free on GitHub.
A second full-length free walkthrough of Mojo basics, useful as an alternative teaching style to the freeCodeCamp course.
A YouTube channel dedicated entirely to short, free Mojo lessons and demos.
A free beginner-oriented video walking through Mojo's syntax and AI/ML positioning.
A free playlist focused specifically on using Mojo for machine learning tasks and comparing it to Python.
The official getting-started guide from Modular covering installation and your first Mojo program.
Modular's own walkthrough of core language basics, written for people who already know some programming.
An example-driven blog post from Modular that eases Python developers into Mojo's syntax differences.
A free Codecademy article introducing Mojo's goals, syntax and how it relates to Python.
A free LogRocket tutorial walking through installing Mojo and writing early programs.
freeCodeCamp's written companion article introducing Mojo's design goals and syntax for AI developers.
A free, community-written online book that walks Python developers through Mojo's syntax, ownership model and data types.
An official, free, interactive puzzle book from Modular that teaches GPU programming in Mojo hands-on, from thread basics to advanced kernels.
A free, open source set of small interactive exercises for practicing Mojo basics, inspired by Rustlings and aimed at people who already know Python.
The official, free and comprehensive manual for the Mojo language, from setup through advanced systems programming topics.
Official reference documentation for every module in the Mojo standard library, including collections, math, and GPU primitives.
Modular's official FAQ page answering common questions about Mojo's design, licensing and roadmap.
The open source GitHub repository behind the free Mojo Miji book, including all example code referenced in the text.
The official, free Mojo extension for VS Code with syntax highlighting, error checking and hover docs.
The main open source repository for Mojo and the Modular Platform, useful for reading real compiler and stdlib source.
Official documentation on free debugging tools and workflows for Mojo programs.
Official downloadable quick-reference cards for Mojo syntax and keywords, published on Mojo's own documentation site.
The official concise language reference organized by grammar construct, good for quick lookups while coding.
A free community-written cheat sheet summarizing Mojo variables, functions and struct syntax in one page.
The official Modular Discord, the most active place to ask Mojo questions and follow new releases in real time.
Modular's official forum section for Mojo language and standard library questions and discussion.
A community-curated list of Mojo frameworks, libraries and learning resources, good for discovering what else exists.
An open source NumPy-like numerical computing library in Mojo, good to read and contribute to for real practice with arrays and performance code.
A machine learning framework built from scratch in pure Mojo, useful for studying how a real ML library is structured in the language.
The source repository behind the official GPU Puzzles book, useful for cloning and running real GPU kernel exercises locally.