BedrockDB is a distributed relational DBMS designed for geo-replication. It uses SQLite as its back data storage.
B+Tree
Relational
N-ary Storage Model (Row/Record)
Disk-oriented
http://bedrockdb.com/
https://github.com/Expensify/Bedrock
Expensify
US
2016
Open Source
C++
SQLite
MySQL
Linux
LGPL v3