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THE SEEDLY LEARNING CENTER

Understand the tools.
Build with confidence.

Free lessons on how software works, guided by Sprout, Pixl, and Buzz. Start with the basics or find the skill you need next.

Start your first lessonExplore the library
16 courses Free to read Go at your own pace
A little curiosity goes a long way.Sprout holding a recipe card that turns into colorful lines of code
YOUR FIRST BUILDING BLOCKWhat is Code?Foundations · 10 minutes
A good place to start

New to all of this?
Start with Foundations.

Five short lessons to connect the dots between code, the internet, and the apps you use every day.

Explore Foundations
01What is Code?02How the Internet Works03Frontend vs BackendSee all 5 lessons

FOLLOW YOUR CURIOSITY

What would you like to learn?

16 courses

Start here
5 lessons45 min
6 practice activities

Foundations

Learn the basics of how applications work before you start using the tools.

Explore course
Start here
16 lessons201 min
24 practice activities

AI Coding Tools

Claude Code and Codex, your AI coding assistants, from first steps to advanced patterns.

Explore course
Start here
9 lessons100 min
9 practice activities

GitHub

Learn version control and collaboration with the world's largest code hosting platform.

Explore course
Start here
5 lessons60 min
7 practice activities

Git Workflows

Advanced Git techniques for professional development.

Explore course
Operate
16 lessons162 min
27 practice activities

Hosting

Why apps lean on services, then putting your app on the internet with Railway and Vercel.

Explore course
Operate
7 lessons56 min
10 practice activities

Authentication

Sign up, log in and sessions, with a hosted service (Clerk) and a library you run yourself (Better Auth).

Explore course
Operate
14 lessons160 min
16 practice activities

Databases

Store and query data with SQL and Prisma, then meet two hosted backends, Supabase and Convex.

Explore course
Operate
10 lessons88 min
13 practice activities

Email

How apps send email, and four sending services you will run into.

Explore course
Operate
4 lessons20 min
6 practice activities

File Storage

Where uploads, images and documents live, with Cloudflare R2.

Explore course
Operate
7 lessons57 min
11 practice activities

Payments

How online payments work, with a payments API (Stripe) and a selling platform (Whop).

Explore course
Operate
5 lessons30 min
5 practice activities

Analytics

Learn what users actually do in your app with PostHog, then put every service together.

Explore course
Build
10 lessons110 min
12 practice activities

API Fundamentals

Understand how applications communicate with each other.

Explore course
Build
8 lessons105 min
8 practice activities

TypeScript

Add type safety to your JavaScript with TypeScript.

Explore course
Build
9 lessons112 min
9 practice activities

React

Build interactive user interfaces with React.

Explore course
Build
8 lessons99 min
8 practice activities

Docker

Containerize applications with Docker for consistent deployments.

Explore course
Build
8 lessons110 min
8 practice activities

Testing & Debugging

Write tests and debug applications like a professional developer.

Explore course

FAMILIAR FACES. NEW SKILLS.

A little help along the way.

Our companions turn unfamiliar ideas into examples you can work through. Read a lesson, try an activity, and take the next step when you are ready.

SproutSprout
PixlPixl
BuzzBuzz