SeaweedFS is a simple and highly scalable distributed file system to store and serve billions of files fast! SeaweedFS object store has O(1) disk seek, transparent cloud integration, and SeaweedFS Filer supports cross-cluster active-active replication, Kubernetes, POSIX, S3 API, encryption, Erasure Coding for warm storage, FUSE mount, Hadoop, WebDAV.

MySQL replication topology management and HA

Continuous Archiving for Postgres

A Curated List of Game Network Programming Resources

Gluster Filesystem : Build your storage in minutes

Policy-driven snapshot management and replication tools. Using ZFS for underlying next-gen storage. (Btrfs support plans are shelved unless and until btrfs becomes reliable.) Primarily intended for Linux, but BSD use is supported and reasonably frequently tested.

极具创新的面向单机与分布式OLTP场景的异步化NewSQL关系数据库

X-Pipe是由携程框架部门研发的Redis多数据中心复制管理系统。基于Redis的Master-Slave复制协议，实现低延时、高可用的Redis多数据中心复制，并且提供一键机房切换，复制监控、异常报警等功能。开源版本和携程内部生产环境版本一致。

The Most Popular Replication Manager for PostgreSQL (Postgres) - latest version 5.1.0 (2020-04-13)

MongoShake is a universal data replication platform based on MongoDB's oplog. Redundant replication and active-active replication are two most important functions. 基于mongodb oplog的集群复制工具，可以满足迁移和同步的需求，进一步实现灾备和多活功能。

🚀 Making multi-player gamedev simpler since 2017

LizardFS is an Open Source Distributed File System licensed under GPLv3.

Redis replication tool. support sync, psync, psync2. can parse rdb, aof, mixed rdb and aof files. support redis-6.0

A long list of academic papers on the topic of distributed consensus

A robust two way (bidirectional) file sync script based on rsync with fault tolerance, POSIX ACL support, time control and near realtime sync

JSON output plugin for changeset extraction

The ReScience journal. Reproducible Science is Good. Replicated Science is better.

A Data Replication Center

A novel implementation of the Raft consensus algorithm

freno: cooperative, highly available throttler service

Signal 18 repman - Replication Manager for MySQL / MariaDB / Percona Server

Consul cross-DC KV replication daemon.

DBdeployer is a tool that deploys MySQL database servers easily.

SymmetricDS is a database and file synchronization solution that is platform-independent, web-enabled, and database agnostic. SymmetricDS was built to make data replication across two to tens of thousands of databases and file systems fast, easy and resilient. We specialize in near real time, bi-directional data replication across large node networks over the WAN or LAN.

redis-full-check is used to compare whether two redis have the same data. redis-full-check用于比较2个redis数据是否一致，支持单节点、主从、集群版、以及多种proxy，支持同构以及异构对比，redis的版本支持2.x-5.x。

Logical Replication extension for PostgreSQL 12, 11, 10, 9.6, 9.5, 9.4 (Postgres), providing much faster replication than Slony, Bucardo or Londiste, as well as cross-version upgrades.

C++ implementation of Raft core logic as a replication library

DB replication tool to synchronize data with multi environments written in Golang.