MySQL binlog
SymmetricDS is database replication and file synchronization software
Multiplayer at the speed of light
ReplicaDB is open source tool for database replication
Java and Android Database - fast and lightweight without any ORM
Couchbase Lite for Dart and Flutter
Instant is a modern Firebase
Type-safe NoSQL with Node & SQLite
Realtime database backend based on Operational Transformation (OT)
An in-memory database that persists on disk
Addax is a versatile open-source ETL tool
Making Postgres and Elasticsearch work together like it's 2023
Distributed database warehouse for transactions, search and analytics
Node.js client for Google Cloud Firestore: a NoSQL document database
Stream, transform, and route PostgreSQL data in real-time
EF Core-like CouchDB experience for .NET
A fast, low memory, transactional, index, query enabled NoSQL database
Apache IoTDB
Database Replication, Filtered Synchronization, and Transformation
Elassandra = Elasticsearch + Apache Cassandra
Magento to Vue-storefront datapump
Alibaba distributed database synchronization system
Universal database layer for the client, server & mobile devices
Real-time data acquisition and visualization software