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Boost Your Coding Skills: GitHub Repos That Every Developer Should Bookmark in 2025

A group of diverse developers collaborating on a project, with laptops and notebooks on a table

Introduction

Welcome, developers! Whether you're just starting out or looking to sharpen your expertise, GitHub is filled with hidden gems that can supercharge your journey. From roadmaps that guide your learning to essential interview prep resources and invaluable tools, these repositories are the go-to resources for anyone serious about leveling up their skills.

In this article, we're diving into 14 must-have GitHub repositories that cover everything from coding interviews to system design and beyond. If you're ready to take your development game to the next level, stick around - we've got some powerful recommendations that will make a real impact on your journey!

Must-Have GitHub Repositories for Every Developer

  1. detailyang / awesome-cheatsheet

    Need a quick refresher on syntax or tools? This cheatsheet collection is like having a mini textbook at your fingertips. No more digging around for answers; with this, you'll always have the info you need right in front of you!

  2. mtdvio / every-programmer-should-know

    The name says it all. This ultimate list covers essential technical concepts every developer should know. Perfect for filling in any gaps in your knowledge and leveling up your understanding across the board.

  3. yangshun / tech-interview-handbook

    Interviews are challenging, but the Tech Interview Handbook makes them manageable. It's loaded with tips and strategies that boost your confidence, guiding you through the process like a pro.

  4. kamranahmedse / developer-roadmap

    Not sure what to learn next? This roadmap shows the skills that are in demand and what to focus on. It's like a GPS for developers, helping you stay on track with the latest trends.

  5. EbookFoundation / free-programming-books

    If you're into free resources, this collection of programming books is a treasure trove. It's ideal for diving into any topic without spending a cent!

  6. public-apis / public-apis

    Need APIs for your projects? This list has it all—a curated collection of free APIs that help you build anything, from weather apps to data-driven projects. A serious goldmine for developers who love building things fast and free.

  7. freeCodeCamp / freeCodeCamp

    One of the best resources for anyone learning web development, freeCodeCamp offers open-source courses and hands-on projects that you can use to brush up on fundamentals or learn something entirely new.

  8. donnemartin / system-design-primer

    System design is crucial for building scalable applications, and this primer breaks it down step-by-step. It's a fantastic prep resource for interviews and real-world application building.

  9. jwasham / coding-interview-university

    A full computer science study plan built into a GitHub repository! It's like getting a degree's worth of knowledge without tuition fees, covering everything you need for interviews and beyond.

  10. learn-anything / learn-anything

    This unique resource helps you connect different topics and chart out your learning journey. It's incredibly useful for staying organized and intentional about what to learn next.

  11. sindresorhus / awesome

    An essential collection of "awesome" lists on almost every developer topic out there. Whenever you're diving into a new tech area, this is the first stop for finding the best resources.

  12. gramantin / awesome-rails

    For Ruby on Rails fans, this collection is packed with tools, best practices, and resources. If you're into Rails, consider it your one-stop shop for all things Rails!

  13. roadmapsh / roadmap.sh

    Roadmap.sh provides clear paths for learning tools and technologies, helping you move forward without getting overwhelmed. It's perfect for keeping your skills sharp and your knowledge up-to-date.

  14. yangshun / front-end-interview-handbook

    If you're focused on front-end development, this handbook is a complete guide to acing those tricky front-end interview questions. It's a reliable companion for anyone preparing for front-end interviews.

Conclusion

These repositories are invaluable assets for any developer's toolkit. Whether you're preparing for an interview, filling in gaps in your knowledge, or exploring new skills, these resources will push your development journey to new heights.

Know any must-have resources we didn't mention? Drop them in the comments, and let's keep learning together!

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