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Top 23 system-design Open-Source Projects
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Project mention: JavaGuide: Comprehensive Java Learning and Interview Prep Resource | news.ycombinator.com | 2024-08-15
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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tech-interview-handbook
💯 Curated coding interview preparation materials for busy software engineers
Tech Interview Handbook
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system-design-101
Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.
Byte Sized System Design Concepts
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Project mention: The Patterns of Scalable, Reliable, and Performant Large-Scale Systems | news.ycombinator.com | 2024-12-19
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"System Design" by Karan Pratap Singh: How to design systems at scale and prepare for system design interviews. Link
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View on GitHub
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awesome-system-design-resources
Learn System Design concepts and prepare for interviews using free resources.
Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-0611. Awesome System Design Resources
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Nutrient
Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.
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Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-06
4. System Design Resources by Interview Ready
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“System Design Newsletter” by Neo Kim
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domain-driven-hexagon
Learn Domain-Driven Design, software architecture, design patterns, best practices. Code examples included
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machine-learning-interview
Machine Learning Interviews from FAANG, Snapchat, LinkedIn. I have offers from Snapchat, Coupang, Stitchfix etc. Blog: mlengineer.io.
Machine learning interview
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Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-06
10. System Design By Shashank Khare
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school-of-sre
At LinkedIn, we are using this curriculum for onboarding our entry-level talents into the SRE role.
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awesome-front-end-system-design
Curated front end system design resources for interviews and learning
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low-level-design-primer
Dedicated Resources for the Low-Level System Design. Learn how to design and implement large-scale systems. Prep for the system design interview.
Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-067. Low Level Design Primer
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gitdiagram
Replace 'hub' with 'diagram' in any GitHub url to instantly visualize the codebase as an interactive diagram
Project mention: Show HN: Understand GitHub repository through a Podcast | news.ycombinator.com | 2024-12-30Understanding any GitHub repository is tough, especially a big one - this project aims to make it a tad bit easier by giving the listener a primer + some details on the specific repository.
For some people (like me) - audio/visual medium is more easily understandable. So, I hope this project is helpful to some of them.
This project was inspired by https://gitdiagram.com - so check it out as well, and maybe use them together for better understanding.
Future plans:
1. To add more voices and let users choose most natural one (decide between OpenAI/Microsoft Speech)
2. Custom instructions to the SSML creator.
Self hosting:
1. For speech - You can use Microsoft Speech (they do have free credits I think)
2. For SSML text - You can also use Gemini flash 2.0 exp - with 15 free credits (I am using OpenAI GPT 4o)
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system-design-and-architecture
Learn how to design large-scale systems. Prep for the system design interview.
Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-0614. System Design and Architecture By Tian Pan
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system-design-questions
Problem statements on System Design and Software Architecture as part of Arpit's System Design Masterclass
Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-0613. System Design questions by Arpit Bhayani
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System-Design
It's just fascinating. How is modern software designed? 🤔 Some design-level considerations for scalability, maintainability eventual consistency, availability & reliability. 👨💻 Interview Prep. 👨💻 (by codersguild)
Project mention: 🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️ | dev.to | 2024-12-0616. System Design By Coders Guild
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DataStructures-Algorithms
This repo contains links of resources, theory subjects content and DSA questions & their solution for interview preparation from different websites like geeksforgeeks, leetcode, etc.
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SaaSHub
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
system-design discussion
system-design related posts
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Show HN: Understand GitHub repository through a Podcast
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The Patterns of Scalable, Reliable, and Performant Large-Scale Systems
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🔥 17 Best Free GitHub Repositories to Crack System Design Interviews 🛠️
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Software Architecture
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10 resources to become a system design hero
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Scalability – Patterns of Scalable and Reliable Large-Scale Systems
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Learn how to design systems at scale and prepare for system design interviews
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Mar 2025
Index
What are some of the best open-source system-design projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | JavaGuide | 148,542 |
| 2 | tech-interview-handbook | 122,501 |
| 3 | system-design-101 | 69,255 |
| 4 | awesome-scalability | 60,855 |
| 5 | system-design | 34,865 |
| 6 | system-design-interview | 21,873 |
| 7 | awesome-system-design-resources | 21,474 |
| 8 | system-design-resources | 16,533 |
| 9 | system-design | 14,654 |
| 10 | domain-driven-hexagon | 13,100 |
| 11 | machine-learning-interview | 10,323 |
| 12 | system_design | 8,961 |
| 13 | school-of-sre | 7,918 |
| 14 | awesome-front-end-system-design | 7,404 |
| 15 | low-level-design-primer | 6,560 |
| 16 | iOS-Developer-Roadmap | 6,392 |
| 17 | gitdiagram | 2,751 |
| 18 | system-design-and-architecture | 2,713 |
| 19 | system-design-questions | 2,306 |
| 20 | System-Design | 2,026 |
| 21 | DataStructures-Algorithms | 1,931 |
| 22 | FAANG | 1,838 |
| 23 | Systemizer | 1,403 |
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