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Learn System Design concepts and prepare for interviews using free resources.

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

SurrealDB is a multi-model database built in Rust designed to unify multiple data models into a single engine.

Software design pattern - A general, reusable solution to a commonly occurring problem within a given context in software design. It is a description or template for how to solve a problem that can be used in many different situations.

Azure Cloud Advocates at Microsoft are pleased to offer a 10-week, 20-lesson curriculum all about Data Science. Each lesson includes pre-lesson and post-lesson quizzes, written instructions to complete the lesson, a solution, and an assignment.

Free multi-platform database tool for developers, SQL programmers, database administrators and analysts.

Hey, welcome to the course. I hope this course provides a great learning experience.

is the world's leading Graph Database. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions.

etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being:

This will download the appropriate MongoDB Compass package for your platform and install it.

A flexible distributed key-value database that is optimized for caching and other realtime workloads.

A curated list of amazingly awesome PHP libraries, resources and shiny things.

A library that provides an embeddable, persistent key-value store for fast storage.

Dragonfly is an in-memory data store built for modern application workloads.

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Please submit a pull request if there is any material that you think should be included in this collection.

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

js is a wrapper library for indexedDB - the standard database in the browser.

Whether you're preparing for an interview or you want to design a distributed/microservice oriented application, this list will definitely help you achieve that.

Open-source, low-latency key/value engine built on Valkey with query subscriptions and hierarchical storage tiers.

> go-redis is the official Redis client library for the Go programming language. It offers a straightforward interface for interacting with Redis servers.

An open source cybersecurity protocol for syncing decentralized graph data.

DataX是阿里云DataWorks数据集成的开源版本。

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

Fluentd: Open-Source Log Collector ===================================

FerretDB is an open-source alternative to MongoDB. 0+ wire protocol queries to SQL and uses PostgreSQL with DocumentDB extension as a database engine.

Releases are created automatically and signed using the Node team's GPG key. All release packages provided as part of a GitHub release are signed. To verify the provided packages, download the key and import it using gpg:

High-performance multi-data-source database client — 30MB, AI & MCP ready, zero Electron bloat. | 高性能多数据源数据库客户端：约 30MB，AI 与 MCP 就绪，告别 Electron 膨胀。