🚀 20 Must-Know GitHub Repositories for Developers in 2025!

1. free-programming-books

   1 160 390,075 9.7 Python

   :books: Freely available programming books

   

   🔥 Top 20 GitHub Repositories Every Developer Should Know 1️⃣ Free Programming Books 📚 📌 https://github.com/EbookFoundation/free-programming-books A legendary collection of free programming books covering AI, web development, Python, JavaScript, and more!

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. awesome-krita

   2 12 198 6.3

   🕶 Awesome list of Krita resources!

   

   5️⃣ Awesome GitHub Repos 🌟 📌 https://github.com/sindresorhus/awesome A curated list of amazing GitHub repositories covering various programming topics.

4. developer-roadmap

   3 2,169 356,862 9.8 TypeScript

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

   

   2️⃣ Developer Roadmap 🛤️ 📌 https://github.com/kamranahmedse/developer-roadmap A structured roadmap for learning Frontend, Backend, DevOps, and more with the latest technologies.

5. build-your-own-x

   4 294 513,983 4.7 Markdown

   Master programming by recreating your favorite technologies from scratch.

   

   3️⃣ Build Your Own X 🔨 📌 https://github.com/codecrafters-io/build-your-own-x A fantastic repository that teaches you how to build browsers, databases, OS, blockchain, and more from scratch!

6. 30-seconds-of-code

   5 4 117,966 10.0 JavaScript

   Discontinued Short code snippets for all your development needs [Moved to: https://github.com/Chalarangelo/30-seconds-of-code] (by 30-seconds)

   4️⃣ 30 Seconds of Code ⚡ 📌 https://github.com/30-seconds/30-seconds-of-code Short, powerful JavaScript, Python, and React snippets to speed up your development.

7. javascript-algorithms

   6 125 196,070 5.8 JavaScript

   📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

   

   6️⃣ JavaScript Algorithms and Data Structures 🧠 📌 https://github.com/trekhleb/javascript-algorithms A collection of JavaScript-based algorithms and data structures with explanations.

8. TheAlgorithms

   7 69 221,910 9.0 Python

   All Algorithms implemented in Python

   

   7️⃣ The Algorithms 📊 📌 https://github.com/TheAlgorithms/Python A massive collection of algorithm implementations in Python.

9. system-design-primer

   8 405 352,602 4.5 Python

   Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

   

   8️⃣ System Design Primer 🏗️ 📌 https://github.com/donnemartin/system-design-primer Learn system design concepts with real-world case studies and interview prep materials.

10. Front-end-Developer-Interview-Questions

    9 33 60,885 0.0 Nunjucks

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

    

    🔟 Frontend Developer Interview Questions 🎤 📌 https://github.com/h5bp/Front-end-Developer-Interview-Questions A collection of real frontend developer interview questions to prepare for job interviews.

11. handson-ml

    10 2 25,609 3.1 Jupyter Notebook

    ⛔️ DEPRECATED – See https://github.com/ageron/handson-ml3 or handson-mlp instead.

    

    1️⃣1️⃣ Practical Machine Learning 📈 📌 https://github.com/ageron/handson-ml Hands-on Machine Learning with Scikit-Learn, Keras, and TensorFlow.

12. freeCodeCamp

    11 58 446,620 10.0 TypeScript

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

    

    1️⃣2️⃣ Free Code Camp Curriculum 🎓 📌 https://github.com/freeCodeCamp/freeCodeCamp A free interactive coding platform with real-world projects.

13. leetcode

    12 1 55,758 6.1 JavaScript

    LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) (by azl397985856)

    

    1️⃣3️⃣ LeetCode Solutions 🏆 📌 https://github.com/azl397985856/leetcode A collection of LeetCode solutions to prepare for FAANG interviews.

14. nodebestpractices

    13 80 105,174 0.0 Dockerfile

    :white_check_mark: The Node.js best practices list (July 2024)

    

    1️⃣4️⃣ Node.js Best Practices 🚀 📌 https://github.com/goldbergyoni/nodebestpractices Best practices for building scalable and efficient Node.js applications.

15. coding-interview-university

    14 142 351,255 2.8

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

    

    1️⃣5️⃣ Coding Interview University 🎯 📌 https://github.com/jwasham/coding-interview-university A complete self-study guide to crack FAANG interviews.

16. project-based-learning

    15 207 265,608 0.0

    Curated list of project-based tutorials

    

    1️⃣6️⃣ Project-Based Learning 🔨 📌 https://github.com/practical-tutorials/project-based-learning A collection of hands-on projects to improve your coding skills.

17. the-art-of-command-line

    16 52 160,444 0.6

    Master the command line, in one page

    

    1️⃣7️⃣ The Art of Command Line 🖥️ 📌 https://github.com/jlevy/the-art-of-command-line Master the Linux command line with this detailed guide.

18. public-apis

    17 423 441,082 9.4 Python

    A collective list of free APIs

    

    1️⃣9️⃣ Public APIs 📡 📌 https://github.com/public-apis/public-apis A list of free APIs for web development, data, and AI applications.

19. design-resources-for-developers

    18 46 65,993 7.7

    Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

    

    2️⃣0️⃣ Design Resources for Developers 🎨 📌 https://github.com/bradtraversy/design-resources-for-developers Free design tools, UI kits, and CSS frameworks for developers.

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