ashishps1/awesome-low-level-design

Learn Low Level Design (LLD) and prepare for interviews using free resources.

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Summary Information

Updated 53 minutes ago
Added to GitGenius on September 2nd, 2026
Created on November 17th, 2023
Open Issues & Pull Requests: 81 (+0)
GitHub issues: Enabled
Number of forks: 6,461
Total Stargazers: 26,646 (+0)
Total Subscribers: 168 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 22.3 days
Mean response time: 38.2 days
90th percentile: 114.6 days
Tracked items: 39

How this project is maintained

Around half of the issues opened in the past year never receive a reply. 100% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. Only 5% of issues opened in the past year have been closed. Three people close 85% of everything that gets resolved.

Charts & Analytics

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Issue Activity (beta)

Open issues: 43
New in 7 days: 0
Closed in 7 days: 0
Avg open age: 414 days
Stale 30+ days: 42
Stale 90+ days: 39

Recent activity

Opened in 7 days: 0
Closed in 7 days: 0
Comments in 7 days: 0
Events in 7 days: 0

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Most active issues this week

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Detailed Description

Awesome Low Level Design is a curated learning resource collection for mastering object-oriented design and preparing for technical interviews.

The repository addresses the challenge of learning low-level design systematically by organizing free educational materials into a structured curriculum. It covers the foundational concepts needed to design software systems at the class and object level, progressing from basic OOP fundamentals through design patterns and concurrency. The approach breaks down complex topics into digestible sections with explanations and code examples, allowing learners to build understanding incrementally from core principles like encapsulation and inheritance through to advanced patterns.

This resource suits developers preparing for machine-coding or system design interviews, particularly those seeking to strengthen their grasp of object-oriented principles and design patterns. It works well for anyone transitioning into roles that emphasize clean architecture and maintainable code. The collection includes coverage of OOP fundamentals, class relationships, design principles including SOLID, and the full spectrum of creational, structural, and behavioral design patterns. Those already familiar with basic programming concepts will find the structured progression most useful, as the material assumes foundational knowledge and focuses on design-level thinking rather than language syntax.

The project maintains an organized, reference-style structure with clear categorization of topics and direct links to learning materials. Development activity shows consistent curation and organization of the resource collection, with materials systematically grouped by concept area and difficulty level.