The MongoDB Database

TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.

Proxy based Redis cluster solution supporting pipeline and scaling dynamically

MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

Windows Calculator: A simple yet powerful calculator that ships with Windows

带有详细注释的 Redis 3.0 代码（annotated Redis 3.0 source code）。

Python资源大全中文版，包括：Web框架、网络爬虫、模板引擎、数据库、数据可视化、图片处理等，由「开源前哨」和「Python开发者」微信公号团队维护更新。

linux monitor agent

Pika is a Redis-Compatible database developed by Qihoo's infrastructure team.