Infinispan is an open source data grid platform
Common interface to CouchDB or CouchDB-like databases for Go
Database management in a single PHP file
NoSQL embedded document store for Java
ReplicaDB is open source tool for database replication
Distributed, in-memory key/value store and cache
Distributed database ecosphere
Postgresql R2DBC Driver
Lightweight, embedded, syncable NoSQL database engine for iOS and Mac
A horizontally scalable, multi-tenant, long term Prometheus
Cloud Database Manager
Stream, transform, and route PostgreSQL data in real-time
chDB is an in-process OLAP SQL Engine
Bitalosdb is a high-performance KV storage engine
GlueSQL is quite sticky. It attaches to anywhere
The Official MongoDB driver for C language
A federated data catalog for all your big and small data
Open source, distributed, transactional key-value store
KCloud-Platform-IoT
Pongo - Mongo but on Postgres and with strong consistency benefits
Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server
SQLDelight - Generates typesafe Kotlin APIs from SQL
Postgres Foreign Data Wrapper development framework in Rust
DataCap is integrated software for data transformation
Compile-time Language Integrated Queries for Scala