Sites like

replit.com
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Repl.it

The collaborative browser based IDE - Replit

Replit is a simple yet powerful online IDE, Editor, Compiler, Interpreter, and REPL. Code, compile, run, and host in 50+ programming languages.

Onlinegdb.com

GDB online Debugger | Compiler - Code, Compile, Run, Debug online C, C++

Online GDB is online compiler and debugger for C/C++. You can compile, run and debug code with gdb online. Using gcc/g++ as compiler and gdb as debugger. Currently C and C++ languages are supported.

Mycompiler.io

myCompiler - An online IDE for C, C++, Java, Python, Go, NodeJS and other languages

Run your favourite programming languages online with myCompiler. Simple and easy to use IDE where you can edit, compile and run your code in the programming language of your choice

Jdoodle.com

Online Compiler and Editor/IDE for Java, C/C++, PHP, Python, Perl, etc

is a free Online Compiler, Editor, IDE for Java, C, C++, PHP, Perl, Python, Ruby. Code Online - Share Save Java/C/C++/Perl/Python/Ruby online

Programiz.com

Programiz: Learn to Code for Free

Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references.

Tio.run

Try It Online

What is TIO? TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages. To use TIO, simply click the arrow below, pick a programming language, and start typing. Once you click the run button, your code is sent to a TIO arena, executed...

Onecompiler.com

OneCompiler - Write, run and share code online | Free online compiler with 60+ languages and databases

Java Hello World  Main.java Java Hello World  Main.java import java.util.*; public class Main { public static void main(String[] args) { System.out.println("Hello, World!"); } } ​ STDIN STDIN Output: Click on RUN button to see the output Feedback Write, Run & Share code online for 60+ languages OneCompiler is a free...

Realpython.com

Python Tutorials – Real Python

Learn Python online: Python tutorials for developers of all skill levels, Python books and courses, Python news, code examples, articles, and more.

Remoteinterview.io

Online Programming Screening Tests | Online Coding Interview Tool | Remote Interview

Get FREE demo of Remoteinterview, the best virtual interview tool for conducting online coding tests & interviews with collection of software developer interview questions.

Ideone.com

Online Compiler and IDE >> C/C++, Java, PHP, Python, Perl and 70+ other compilers and interpreters - Ideone.com

Compile various programming languages online. Add input stream, save output, add notes and tags.

Python.org

Welcome to Python.org

The official home of the Python Programming Language

Leetcode.com

LeetCode - The World's Leading Online Programming Learning Platform

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Compileonline.com

The Best Questions And Answers - Qries

Asked on 26th Mar, 2019   Follow Answer Edit Question Are mathematics students eligible for UGC net exam? Rohit Answered on 3rd Apr, 2019, 2 Views Hi, No, mathematics students are not eligible for UGC NET but they are eligible for CSIR NET exam. CSIR NET exam is for science stream...

Stackabuse.com

Stack Abuse

Learn Python, Java, JavaScript/Node, Machine Learning, and Web Development through articles, code examples, and tutorials for developers of all skill levels.

Educative.io

Educative: Interactive Courses for Software Developers

Level up your coding skills. No more passive learning. Interactive in-browser environments keep you engaged and test your progress as you go.

Codeinterview.io

CodeInterview - The Online Code Interview Tool & Code Editor

CodeInterview is an Online Code Interview tool & platform where you can do pair programming online for interviews with our online code editor and compilers.

Paiza.io

Online PHP/Java/C++... editor and compiler | paiza.IO

{{description ? description : 'Paiza.IO is online editor and compiler. Java, Ruby, Python, PHP, Perl, Swift, JavaScript... You can use for learning programming, scraping web sites, or writing batch'}}

Betterprogramming.pub

Better Programming

Advice for programmers.

Raw.githubusercontent.com

GitHub: Where the world builds software · GitHub

GitHub is where over 83 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

Reactjs.org

React – A JavaScript library for building user interfaces

Declarative React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable and easier to debug. Component-Based Build encapsulated components that manage...

Playcode.io

PlayCode - Javascript Playground

Freecodecamp.org

Learn to Code — For Free

Codesandbox.io

CodeSandbox: Online Code Editor and IDE for Rapid Web Development

CodeSandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster

Plainenglish.io

In Plain English

Empowering people with accessible, educational media.

Pypi.org

PyPI · The Python Package Index

The Python Package Index (PyPI) is a repository of software for the Python programming language.

Codewars.com

Codewars - Achieve mastery through coding practice and developer mentorship

A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!

Hackerrank.com

HackerRank

HackerRank is the market-leading technical assessment and remote interview solution for hiring developers. Learn how to hire technical talent from anywhere!

Kite.com

Kite - Free AI Coding Assistant and Code Auto-Complete Plugin

Code faster with Kite’s AI-powered autocomplete plugin for over 16 programming languages and 16 IDEs, featuring Multi-Line Completions. Works 100% locally.

Codecademy.com

Learn to Code - for Free | Codecademy

Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).

Heroku.com

Cloud Application Platform | Heroku

Heroku is a platform as a service (PaaS) that enables developers to build, run, and operate applications entirely in the cloud.

Geeksforgeeks.org

GeeksforGeeks | A computer science portal for geeks

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

Git-scm.com

Git

About The advantages of Git compared to other source control systems. Documentation Command reference pages, Pro Git book content, videos and other material. Downloads GUI clients and binary releases for all major platforms. Community Get involved! Bug reporting, mailing list, chat, development and more. Pro Git by Scott Chacon and...

Jetbrains.com

JetBrains: Essential tools for software developers and teams

JetBrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including IntelliJ IDEA – the leading Java IDE, and the Kotlin programming language.

Nodejs.org

Node.js

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Cplusplus.com

cplusplus.com - The C++ Resources Network

Information General information about the C++ programming language, including non-technical documents and descriptions: Description of the C++ language History of the C++ language F.A.Q., Frequently Asked Questions Tutorials Learn the C++ language from its basics up to its most advanced features. C++ Language: Collection of tutorials covering all the features...

Glitch.com

Glitch: The friendly community where everyone builds the web

Simple, powerful, free tools to create and use millions of apps.

Visualstudio.com

Visual Studio: IDE and Code Editor for Software Developers and Teams

Visual Studio dev tools & services make app development easy for any developer, on any platform & language. Develop with our code editor or IDE anywhere for free.

W3resource.com

Web development tutorials | w3resource

Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more.

Javascript.info

The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

Npmjs.com

npm

Build amazing things We're npm, Inc., the company behind Node package manager, the npm Registry, and npm CLI. We offer those to the community for free, but our day job is building and selling useful tools for developers like you. Take your JavaScript development up a notch Get started today...

Dev.to

DEV Community 👩‍💻👨‍💻

A constructive and inclusive social network for software developers. With you every step of your journey.

Datacamp.com

Learn R, Python & Data Science Online | DataCamp

Learn Data Science from the comfort of your browser, at your own pace with DataCamp's video tutorials & coding challenges on R, Python, Statistics & more.

Codeburst.io

codeburst

Bursts of code to power through your day. Web Development articles, tutorials, and news.

Gitconnected.com

Learn, Code, Get the Job | gitconnected

Tools to build your coding career. A developer community for career growth and your programmer homepage. Collaborate with other software engineers.

Techiedelight.com

Techie Delight | Ace your Coding Interview

Techie Delight is a leading platform for technical interview preparation. We offer a huge collection of data structure problems to improve algorithmic skills and helps crack interviews of top tech companies.

Mongodb.com

MongoDB | Build Faster. Build Smarter. | MongoDB

Get your ideas to market faster with the leading modern data platform. MongoDB makes working with data easy.

Flaviocopes.com

Flavio Copes

JavaScript and Web Development Tutorials

Online-python.com

Online Python - IDE, Editor, Compiler, Interpreter

Build and Run your Python code instantly. Online-Python is a quick and easy tool that helps you to build, compile, test your python programs.

Vercel.com

Develop. Preview. Ship. For the best frontend teams – Vercel

Deploy web projects with the best frontend developer experience and highest end-user performance.

Tailwindcss.com

Tailwind CSS - Rapidly build modern websites without ever leaving your HTML.

Documentation for the Tailwind CSS framework.

Camo.githubusercontent.com

Codegrepper.com

Awesomeopensource.com

Find Open Source By Searching, Browsing and Combining 167,404 Topics Across 59 Categories And 5,695,328 Projects

Find Useful Open Source By Browsing and Combining 167,404 Topics In 59 Categories, Spanning The Top 5,695,328 Projects

Careerkarma.com

Discover the Best Job Training Programs and Career Advice

Learn about bootcamps, ask questions and read reviews to find the best job training program for you. Connect with peers, coaches and mentors to accelerate your technology career.

Javascripttutorial.net

JavaScript Tutorial

JavaScript Tutorial provides you with many practical tutorials that help you learn JavaScript from scratch quickly and effectively.

Bitsrc.io

Top.gg

Discord Bots | The #1 Discord Bot List

Spice up your Discord experience with our diverse range of Discord Bots and Servers as well as other spaces to discover DAOs.

Algoexpert.io

AlgoExpert | Ace the Coding Interviews

The leading platform to prepare for coding interviews. Master essential algorithms and data structures, and land your dream job with AlgoExpert.

Askpython.com

AskPython - Python Tutorials for Beginners and Experienced Programmers

Python Tutorials for Beginners and Experienced Programmers

Itnext.io

ITNEXT

ITNEXT is a platform for IT developers & software engineers to share knowledge, connect, collaborate, learn and experience next-gen technologies.

Towardsdatascience.com

Towards Data Science

Your home for data science. A Medium publication sharing concepts, ideas and codes.

Codota.com

Hackr.io

Find the best online Programming courses and Tutorials - Hackr.io

Google search shows you hundreds of Programming courses/tutorials, but Hackr.io tells you which is the best one. Find the best online courses & tutorials recommended by the Programming community. Pick the most upvoted tutorials as per your learning style: video-based, book, free, paid, for beginners, advanced, etc.

Hackerearth.com

HackerEarth | Online coding platform and developer assessment software

Helping 3M+ developers be better through coding contests, data science competitions, and hackathons. Trusted by recruiters from 1,000+ companies hiring the best developers.

Codebunk.com

CodeBunk: Online Realtime Collaborative Editor and Compiler

Ideal for Phone Screen/Online Interview of Developers and Learning to Code from Friends, CodeBunk provides a Realtime Collaborative Editor with in-browser Code Execution and REPL (read-eval-print-loop) shells. CodeBunk is an Online Compiler/Interpreter for PHP, Python, Ruby, Perl, Lua, Javascript, C, C++, Java, Erlang, Haskell, Julia, Clojure, Go, R, Rust, Scala, Coffeescript. CodeBunk also has Peer-to-Peer Video/Audio chat facility.

Beginnersbook.com

BeginnersBook.com - Tutorials For Beginners

BeginnersBook is a tutorials site for beginners that covers topics like Java, Collections, AWT, JSP, Servlet, JSTL, C, C++, DBMS, Perl, WordPress, SEO.

Djangoproject.com

The web framework for perfectionists with deadlines | Django

Download latest release: 4.0.5 Django documentation Support Django! BlueVine donated to the Django Software Foundation to support Django development. Donate today! Latest news Last Chance for a DjangoCon Europe 2023 There will not be a DjangoCon Eurpoe 2023 if the DSF board does not receive viable proposals for one by...

Journaldev.com

JournalDev - Java, Java EE, Android, Python, Web Development Tutorials

Java, Java EE, Android, Python, Web Development Tutorials

Javatpoint.com

Tutorials List - Javatpoint

Tutorials, Free Online Tutorials, Javatpoint provides tutorials and interview questions of all technology like java tutorial, android, java frameworks, javascript, ajax, core java, sql, python, php, c language etc. for beginners and professionals.

Pydata.org

PyData |

A community for developers and users of open source data tools Jul 11 - 17, 2022 SciPy 2022 Austin, Texas Austin, Texas View Detail Aug 12 - 13, 2022 PyData Yerevan 2022 American University of Armenia Yerevan, Armenia View Detail Oct 27 - 28, 2022 Python at Scale Austin, Texas...

Baeldung.com

Baeldung

In-depth, to-the-point tutorials on Java, Spring, Spring Boot, Security, and REST.

Codechef.com

Competitive Programming | Participate & Learn | CodeChef

Learn competitive programming with the help of CodeChef's coding competitions. Take part in these online coding contests to level up your skills

Codeforces.com

Codeforces

Codeforces. Programming competitions and contests, programming community

Expressjs.com

Express - Node.js web application framework

Home Getting started Installing Hello world Express generator Basic routing Static files More examples FAQ Guide Routing Writing middleware Using middleware Overriding the Express API Using template engines Error handling Debugging Express behind proxies Moving to Express 4 Moving to Express 5 Database integration API reference 5.x (beta) 4.x 3.x...

Tutorialspoint.com

Online Tutorials Library

Simply Easy Learning at your fingertips Prime Packs Courses eBooks Library Q/A Coding Ground Watch Demo Video 0 + Premium Courses 0 + Expert Tutors 0 M+ Online Students 0 K+ Certificates Delivered Top Categories Development 15 Course IT and Networking 22 Course Data Science and AI ML 53 Course...