Welcome to the Treehouse Library
This is a sample catalog of all the courses we offer. Browse by topic or difficulty. Sign up today and get access to our entire library. Treehouse students get access to workshops, bonus content, conferences, and more.
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All Topics
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- • AI
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Sass Basics
Sass is a stylesheet language that extends CSS with features like variables, nested rules, mixins, and functions, in a CSS-compatible syntax. In this course, you'll learn to use the powers of Sass to boost your front end workflow. The examples will teach you why you should use Sass in your projects. By the end, you will be writing more efficient CSS using code that is easy to read and maintain.
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CSS to Sass
If you're not sure where to begin when converting CSS over to Sass, this is the place to start. In this course, you'll learn how to convert a simple web project over to Sass (http://sass-lang.com/), the most widely used CSS preprocessor. This course aims to clear up common misconceptions about Sass, and help you fit Sass into your front-end workflow.
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Modular CSS with Sass
Today’s websites and applications are larger than ever and a lot hinges on the CSS architecture. CSS that is poorly thought-out can be a strain on development and maintenance in the long run. In this course, we're going to build a UI toolkit using many of the best practices and principles of modular CSS architecture. We'll learn how a modular approach with Sass can boost our workflow and cut down maintenance by reducing the amount of code we write. It can also improve how our code scales because we're able to reuse it on other parts of our project.
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Upcoming Releases
The following items are scheduled to be released soon. You can also visit our content roadmap for more info.
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Workshop
Build a To-Do List App with Replit Agent
In this workshop, participants will learn how to create a fully functional task tracker using Replit, a powerful online coding platform. With the assistance of Replit Agent, an AI-powered tool, you'll discover how to design, develop, and deploy your task tracker efficiently. This hands-on session is perfect for developers and builders of all skill levels—no previous coding experience is required—and is ideal for anyone looking to enhance their app building skills.
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Workshop
Build Your Own CRM in Lovable Step-by-Step
This workshop introduces Lovable.dev, an AI-powered tool that helps you turn ideas into working web apps using simple prompts. Watch as Christian and Dan get hands-on with features like text-to-app generation, Supabase integration, and easy deployment. Whether you’re building a prototype or just exploring what’s possible, it’s a practical session for anyone interested in faster, simpler app development.
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Workshop
Build and Deploy a Landing Page Using Bolt
This workshop introduces Bolt.new, an AI-powered platform that helps you build web apps using natural language prompts. In this session, we'll build a landing page from scratch, integrate a waitlist, and deploy it—all without writing traditional code. It’s a practical, hands-on experience for anyone looking to prototype quickly and start growing an audience right away.
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Workshop
Create a REST API with Xano
Learn to build a digital marketplace REST API using Xano, a NoCode tool that lets you create APIs without writing any code.
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3 minWorkshop
Hello Swift & SwiftUI
Learn the basics of Swift and SwiftUI, Apple’s programming language, by building your first iOS app! This beginner-friendly course covers Swift programming, Xcode setup, and UI design with SwiftUI. You'll apply your skills by creating a Dice Roller app, using state to update the UI dynamically. No prior coding experience needed—just dive in and start building!
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Workshop
Practice Wireframing in Figma
For this practice session, you'll be creating a digital wireframe in Figma for the primary screen of a sketching application. This app lets users quickly make shareable, black-and-white sketches using their fingers on a touchscreen.
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Workshop
Practice Prototyping in Figma
Enhance your prototyping skills by linking mockups in Figma and experimenting with tap, time, and drag interactions.
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