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✶

The Odin Project

Learning Resources

A free, open-source full-stack curriculum that takes beginners from zero to job-ready web developers.

open-sourceweb
TutorialFreeCSS
✶

freeCodeCamp

Learning Resources

A free, self-paced coding curriculum covering web development, data science, and machine learning with certifications.

freeweb
TutorialCSSFree
✚

Frontend Checklist

Developer Resources

An exhaustive checklist of everything a frontend developer should verify before shipping a website.

open-sourceweb
CSSCheatsheetFree
✚

Can I Use

Developer Resources

Up-to-date browser support tables for HTML, CSS, and JavaScript features, essential for cross-browser work.

freeweb
CSSBrowserFree
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✚

web.dev

Developer Resources

Google's hub for web development guidance, with practical guides, performance audits, and learning paths.

freeweb
DocumentationTutorialCSS
▣

Flowbite

Templates

A Tailwind CSS component library with interactive UI components and a helpful set of blocks and templates.

freemiumweb
CSSUI KitDesign
▣

HTML5 UP

Templates

A collection of free, responsive HTML5 and CSS3 website templates you can download and customize.

freeweb
CSSFree
▣

Bootstrap

Templates

The world's most used CSS framework, providing responsive grid systems, components, and utility styles.

open-sourceweb
CSSUI KitFree
⬡

Swagger UI

APIs

The open-source tool that turns OpenAPI specs into interactive, self-documenting API pages.

open-sourceweb
APIBackendDocumentation
⬡

RapidAPI

APIs

An API marketplace where you discover, connect to, and manage thousands of third-party APIs in one place.

freemiumweb
APIPremium
⬡

Public APIs

APIs

A community-curated GitHub repository listing thousands of free public APIs, organized by category.

open-sourceweb
APIOpen SourceFree
⬡

Insomnia

APIs

A desktop API client for designing, testing, and debugging REST and GraphQL APIs with a clean UI.

freemiumcross-platform
APIBackendPremium
⬡

Hoppscotch

APIs

A lightweight, open-source API testing tool that runs entirely in the browser with a clean workspace.

open-sourceweb
APIBackendOpen Source
⬡

GitHub REST API

APIs

The official API for automating GitHub — repos, issues, PRs, releases, and actions — from your own scripts.

freeweb
APIBackendFree
⬡

Mapbox

APIs

Custom mapping and location APIs with beautiful vector tiles, geocoding, routing, and navigation.

freemiumweb
APIDesignPremium
⬡

Twilio API

APIs

Cloud communications APIs for SMS, voice, video, and email that developers can wire into any app.

freemiumweb
APICommunicationPremium
⬡

OpenAI API

APIs

The API for OpenAI's models, including GPT, embeddings, and image generation, with function calling support.

paidweb
APIMachine LearningPremium
⬡

Stripe API

APIs

A developer-friendly payments API with clean documentation, libraries for every language, and instant webhooks.

freemiumweb
APIBackendPremium
✦

SponsorBlock

Browser Extensions

An open-source browser extension that automatically skips sponsor segments and other non-content parts of YouTube videos…

open-sourceextension
BrowserFreeOpen Source+1
✦

daily.dev

Browser Extensions

A developer news homepage extension that surfaces the best articles from the community in a clean feed.

freeextension
BrowserFreeContent Creation
✦

ColorZilla

Browser Extensions

A browser extension with an eyedropper, color picker, gradient generator, and palette history for web designers.

freeextension
DesignCSSFree
✦

JSON Viewer

Browser Extensions

A browser extension that formats, validates, and syntax-highlights JSON in the browser with collapsible trees.

freeextension
BrowserBackendFree
✦

React Developer Tools

Browser Extensions

The official browser extension for inspecting React component trees, props, state, and performance.

freeextension
ReactBrowserFree
✦

Wappalyzer

Browser Extensions

A browser extension that instantly reveals the technologies powering any website you visit.

freeextension
BrowserBackendFree
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