A very simple pure key => value storage system that speaks Redis
App to easily query, script, and visualize data from every database
A highly-configurable, distributed, realtime database
Automated testing to find logic and performance bugs
Database Tools incl. ORM, migrations and admin UI
Open Source Web Tool for Database Management
World's first open source data quality & data preparation project
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
A toolkit for data mapping and language integrated query
Helping users to quickly understand SQL queries
Columnar storage extension for Postgres
Java ORM
High-performance time-series aggregation for PostgreSQL
Database agnostic SQL exporter for Prometheus
Free, open-source SQL client for Windows and Mac
Query and plot data in seconds (Excel, CSV, SQL and NoSQL DBMS)
Create custom test databases that are populated with fake data
FastVersion is a Qgis plugin for data versioning in a Postgis database
Data quality analysis, profiling, cleansing, duplicate detection +more
VFront is a dynamic front-end for MySQL, PostgreSQL and SQLite DBs.
In-memory NoSQL database with ACID transactions, Raft consensus, etc.