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Learn programming.
Build real things.
Free courses, focused practice, and templates for developers who want to understand what they build.
LEARN → PRACTICE → BUILDOne clear next step at a time.
COURSESChoose a path.
Choose a path.
Keep moving.
Eight programming courses, including a growing C++ path, from first principles to frontend, backend, systems, data, and version control.
CSS: Responsive Interface Foundations
Build resilient interfaces through selectors, the cascade, layout systems, responsive components, typography, and accessible visual states.
HTML: Build Meaningful Web Pages
Learn HTML from first principles with visual explanations, editable examples, guided practice, and an accessible reference for building real web pages.
JavaScript: From Values to Applications
A complete frontend-first JavaScript path with 32 lessons, six applied projects, runnable practice, debugging labs, a cumulative assessment, and a final capstone.
Python: Build Reliable Programs
Develop Python fluency through clear language foundations, practical data work, files, exceptions, models, and a tested project structure.
C
Programming foundations
Modern C++
Learn modern C++ through 50 free lessons with clear explanations, code practice and quizzes, from variables and loops to classes, CMake, testing and command-line applications.
SQL
Learn SQL: query, filter, and sort data; insert, update, and delete rows; design tables with keys; join related data; group results; and use indexes and transactions.
Git & GitHub
Learn Git version control and GitHub collaboration: repositories, commits, branches, merging, remotes, pull requests, issues, and workflow, with projects.
PRACTICE
Featured exercises.
Short problems with enough context to make the solution teach you something.
01
Audit a multi-file build
Given app.c, inventory.c, inventory.h, and Makefile, explain and write the dependency rules needed so changing inventory.h recompiles both relevant object files before linking.
Try the exercise02Parse one CSV inventory record
Parse a simple inventory record in the form id,name,quantity into a struct. Reject missing fields, extra commas, an empty name, and a quantity outside 0..100000.
Try the exercise03Push into a bounded ring queue
Implement queue_push for a fixed-capacity circular queue. Return 0 when the queue is full or invalid; otherwise store the value, advance tail with wraparound, and increase size.
Try the exercise04Design a theme token system
Define semantic color tokens for a card and support a dark theme without repeating component declarations.
Try the exercise05Respect reduced-motion preferences
Add an entrance transition for a notification panel, then make the experience calm and usable for visitors who request reduced motion.
Try the exerciseTEMPLATESBuild something
Build something
worth keeping.
Frontend-only starting foundations with real screens, documented licenses, and source you can open, understand, and customize.
$65
Daxvio — Material UI Next.js Admin Dashboard
A multilingual Next.js admin frontend with 19 modules, Material UI components, Workflow Studio, validated local workflows, and English, French, and Arabic RTL interfaces.
View template
$49
Axion — Next.js Admin Dashboard & SaaS UI Kit
Six dashboards, eight connected team scenarios, reusable components, and persistent browser-local workflows. A complete Next.js frontend kit with Graphite styling and light and dark modes.
View template
$55
GUIDESAnswers for the work
Answers for the work
in front of you.
Developer how-tos, comparisons, and troubleshooting notes for the questions that appear between lessons.
How to Deploy a Next.js App to Vercel: Complete Step-by-Step Guide (2026)
Deploy a modern Next.js App Router application to Vercel: verify the production build, connect GitHub, configure environment variables, set up a custom domain, and troubleshoot failed deployments.
Read guideHow to Use OpenAI Codex for Coding: Complete Developer Guide (2026)
A practical repository-first Codex tutorial: choose a workflow, plan features, debug with evidence, write useful tests and review focused changes safely.
Read guideHow to Use Claude Code: Complete Guide for Developers in 2026
Start in the terminal, understand an existing repository, and build focused changes with planning, tests, Git review, CLAUDE.md and carefully scoped MCP tools.
Read guideBest Places to Buy Next.js Templates in 2026: 10 Marketplaces Compared
Compare ten template platforms by source format, project fit, licensing, documentation, and ownership—then use a practical checklist to choose your Next.js foundation.
Read guideDEVELOPER TOOLSSmall utilities.
Small utilities.
No ceremony.
Fast browser tools for the tiny tasks that interrupt a good build.
