Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

Paper is a fast NoSQL-like storage for Java/Kotlin objects on Android with automatic schema migration support.

A p2p, secure file storage, social network and application protocol

💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.

🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

一行代码将文件存储到 本地、FTP、SFTP、WebDAV、谷歌云存储、阿里云OSS、华为云OBS、七牛云Kodo、腾讯云COS、百度云 BOS、又拍云USS、MinIO、 AWS S3、FastDFS、 Azure Blob Storage、金山云 KS3、美团云 MSS、京东云 OSS、天翼云 OOS、移动云 EOS、沃云 OSS、 网易数帆 NOS、Ucloud US3、青云 QingStor、平安云 OBS、首云 OSS、IBM COS、其它兼容 S3 协议的平台。后续即将支持 Samba、NFS

Open source library to access USB Mass Storage devices on Android without rooting your device

SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.

Uber Clone Android App 👨‍💻 I'll show you how you can do this in the simplest way and terms possible. By the end of this series you'll have learned how the big companies do it and will be able to do the same, you not only will be able to do this app, but you'll be able to put what you learn into your very own projects! In this series, we use Android Native

SiteWhere is an industrial strength open-source application enablement platform for the Internet of Things (IoT). It provides a multi-tenant microservice-based infrastructure that includes device/asset management, data ingestion, big-data storage, and integration through a modern, scalable architecture. SiteWhere provides REST APIs for all system functional

A raft-based java library for building high-available, high-durable, strong-consistent commitlog.

this is raft java project. raft-kv-storage

Qiniu Resource (Cloud) Storage SDK for Java

A Java library for Rate-Limiting, providing extensible storage and application framework adaptors.

An efficient key-value storage library.

dCache - a system for storing and retrieving huge amounts of data, distributed among a large number of heterogenous server nodes, under a single virtual filesystem tree with a variety of standard access methods