Fundamentals 4 min read

6 Must‑Visit Websites Every Developer Should Bookmark

Discover six essential websites—Ray.so, Roadmap.sh, CodePen, Stack Overflow, Readme.so, and GitBook—that provide developers with powerful code‑snippet creation, career roadmaps, live coding environments, community Q&A, documentation tools, and collaborative publishing to boost productivity and knowledge.

21CTO
21CTO
21CTO
6 Must‑Visit Websites Every Developer Should Bookmark

1. Ray.so

Ray.so is a new website that provides a quick and easy way to create beautiful code snippets for documentation or sharing purposes. It allows you to generate stunning code visuals with customizable themes and backgrounds, perfect for showcasing your work.

2. Roadmap.sh

Roadmap.sh provides comprehensive technical roadmaps for various career paths in software and web development. Whether you are a beginner or an experienced developer looking to expand your skills, Roadmap.sh offers detailed guides to help you navigate your learning journey.

3. CodePen.io

CodePen is an online code editor and social development environment that allows developers to write HTML, CSS, and JavaScript and see live results. It is a great platform for trying new ideas, sharing creations, and learning from other developers.

4. Stack Overflow

Stack Overflow is a widely used Q&A site for programmers and developers. It is a community‑driven platform where individuals can ask questions related to programming, software development, and various technologies. With a massive solution library and active community, it is a valuable resource for problem solving and knowledge sharing.

5. Readme.so

Readme.so is a platform that helps developers create beautiful, interactive, and user‑friendly documentation for their APIs, SDKs, libraries, or other software products. It provides a simple, intuitive interface for producing professional documentation, enhancing user experience.

6. GitBook

GitBook is a platform that allows individuals and teams to create and publish online documentation, e‑books, and knowledge bases. With GitBook, you can collaborate on and maintain high‑quality documentation, making it an excellent tool for open‑source projects and internal knowledge sharing.

These websites are essential tools for developers, offering resources from coding environments and documentation tools to learning roadmaps and community support. Exploring these platforms can enhance your development workflow and expand your knowledge base.

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21CTO (21CTO.com) offers developers community, training, and services, making it your go‑to learning and service platform.

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