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Brilliant

Learning Resources

An interactive platform for learning math, science, and computer science through puzzles and visual thinking.

paidweb
CoursesTutorialPremium
✶

Codewars

Learning Resources

A community where you solve kata — ranked coding challenges — and learn from thousands of other solutions.

freeweb
TutorialPythonFree
✶

Exercism

Learning Resources

A free practice platform with coding exercises in dozens of languages and feedback from real mentors.

freeweb
TutorialPythonFree
✶

Khan Academy

Learning Resources

A free educational platform with practice exercises and instructional videos across math, science, and more.

freeweb
CoursesFreeTutorial
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✶

Coursera

Learning Resources

A platform for university and industry courses, specializations, and degrees from top institutions worldwide.

freemiumweb
CoursesTutorialPremium
✶

Udemy

Learning Resources

A massive marketplace of video courses where anyone can teach, covering everything from coding to hobbies.

paidweb
CoursesTutorialPremium
✶

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
★

Joplin

Productivity Tools

An open-source note-taking app with Markdown support, end-to-end encrypted sync, and a focus on privacy.

open-sourcecross-platform
Note TakingOpen SourceFree
✚

Frontend Checklist

Developer Resources

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

open-sourceweb
CSSCheatsheetFree
✚

HTTP Status Codes

Developer Resources

A plain-language reference for every HTTP status code, from 200 to 599, with quick explanations.

freeweb
BackendDocumentationFree
✚

Can I Use

Developer Resources

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

freeweb
CSSBrowserFree
✚

Regex101

Developer Resources

An interactive regex tester with real-time highlighting, explanation, and a library of community patterns.

freeweb
BackendCheatsheetFree
✚

OverAPI

Developer Resources

An enormous index of programming cheatsheets gathered from across the web into one searchable page.

freeweb
CheatsheetFreeBackend
✚

DevHints

Developer Resources

A curated collection of beautiful, printable cheatsheets covering programming languages, tools, and frameworks.

freeweb
CheatsheetDocumentationFree
✚

OWASP

Developer Resources

The open-source foundation's guides and checklists for building and securing software against common attacks.

freeweb
DocumentationBackendFree
✚

DevDocs

Developer Resources

A fast, offline-friendly documentation browser that aggregates API docs for hundreds of languages and tools.

freeweb
DocumentationFreeBackend
✚

Roadmap.sh

Developer Resources

Interactive roadmaps that chart the path to becoming a developer in dozens of specialties and roles.

freeweb
DocumentationTutorialFree
▣

Vercel Templates

Templates

A library of deploy-ready starter templates for Next.js and modern frameworks, one click from live.

freeweb
Next.jsFree
▣

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
♥

2048

Games

A minimalist number puzzle where you slide tiles to combine them, aiming for the tile that gives the game its name.

freeweb
GamesFree
♥

Cookie Clicker

Games

The original idle game where clicking cookies builds an empire of automatic bakeries and strange upgrades.

freeweb
GamesFree
♥

Wordle

Games

The daily five-letter word puzzle that swept the internet, with one puzzle shared by everyone each day.

freeweb
GamesFree
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