rqlite
The lightweight, user-friendly, distributed relational database built on SQLite.
rqlite is a relational database management system that combines the simplicity of SQLite with the power of a distributed system. It offers features like: * Easy deployment * Developer friendly * Fully replicated * Large data set support * Dynamic clustering * Robust security * Flexible consistency * Scalable reads * Transactions * Easy backups rqlite seems to be a fault-tolerant, distributed relational database designed for ease of use and lightweight operation.