W3Schools Online Web Tutorials
W3Schools offers free online tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, and JQuery.
The QR Code Generator (TQRCG): Create Free QR Codes
Create free static and dynamic QR Codes using custom logos and colors. With TQRCG, get 2 dynamic QR Codes free forever plus high-res and vector downloads.
QR Code Generator | Create Your Free QR Codes
QR Code Generator for URL, vCard, and more. Add logo, colors, frames, and download in high print quality. Get your free QR Codes now!
GitHub - pytest-dev/pytest: The pytest framework makes it easy to …
The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. An example of a simple test:
Free Online QR Code Generator | Adobe Express
Free QR code generator. Invite your audience to learn more about your brand or business with a scannable QR code. Use the quick and easy QR code generator from Adobe Express, the quick and …
GitHub · Change is constant. GitHub keeps you ahead. · GitHub
Write, test, and fix code quickly with GitHub Copilot, from simple boilerplate to complex features.
Code.org
Anyone can learn computer science. Make games, apps and art with code.
Classic Maze - Code.org
Anyone can learn computer science. Make games, apps and art with code.
CodePen: Online Code Editor and Front End Web Developer Community
An online code editor, learning environment, and community for front-end web development using HTML, CSS and JavaScript code snippets, projects, and web applications.
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).