ashishps1 / awesome-system-design-resources

A curated list of free system design learning materials and interview preparation problems and concepts.

doocs / advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

fishercoder1534 / Leetcode

Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.

TDuckCloud / tduck-survey-form

为企业提供「免费」表单问卷能力，「开箱即用」快速赋能业务 A questionnaire system that can be privatized and deployed - 填鸭表单问卷系统（tduck-survey-form）表单系统-问卷系统

Erudika / scoold

The Stack Overflow clone for your team (self-hosted or hosted)

DeepSQLAI / deepsql

The database agent for Postgres and MySQL - Point it at PostgreSQL or MySQL and ask questions in plain English — schema exploration, query generation, slow query analysis, index recommendations, generated dashboards. Self-hosted and air-gapped.