Essential Developer Resources

freeCodeCampfreeCodeCamp

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

developer-roadmapnilbuild

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

coding-interview-universityjwasham

A complete computer science study plan to become a software engineer.

computer-scienceossu

🎓 Path to a free self-taught education in Computer Science!

free-programming-booksEbookFoundation

Freely available programming books

You-Dont-Know-JSgetify

A book series (2 published editions) on the JS language.

project-based-learningpractical-tutorials

Curated list of project-based tutorials

awesome-for-beginnersMunGell

A list of awesome beginners-friendly projects.

build-your-own-xcodecrafters-io

Master programming by recreating your favorite technologies from scratch.

app-ideasflorinpop17

A Collection of application ideas which can be used to improve your coding skills.

30-Days-Of-JavaScriptAsabeneh

30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

PythonTheAlgorithms

All Algorithms implemented in Python

cs-video-coursesDeveloper-Y

List of Computer Science courses with video lectures.

tech-interview-handbookyangshun

Curated coding interview preparation materials for busy software engineers

awesome-interview-questionsDopplerHQ

A curated awesome list of lists of interview questions. Feel free to contribute!

javascript-interview-questionssudheerj

List of 1000 JavaScript Interview Questions

awesome-behavioral-interviewsashishps1

Tips and resources to prepare for Behavioral interviews.

interactive-coding-challengesdonnemartin

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

front-end-interview-handbookyangshun

Front End interview preparation materials for busy engineers (updated for 2026)

Back-End-Developer-Interview-Questionsarialdomartini

A list of back-end related questions you can be inspired from to interview potential candidates, test yourself or completely ignore

interviewOlshansk

Everything you need to prepare for your technical interview

Front-end-Developer-Interview-Questionsh5bp

A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore.

reverse-interviewviraptor

Questions to ask the company during your interview

public-apispublic-apis

A collective list of free APIs

awesome-restmarmelab

A collaborative list of great resources about RESTful API architecture, development, test, and performance