PostgreSQL derived databases

A list of PostgreSQL derived forks and rebranded distributions in alphabetical order.
Name 	Vendor 	License 	Availability	Notes
AgensGraph 	Bitnine 	Apache2 	2016-.... 	PostgreSQL + Graph Model features (Support graph storage and Cypher query language)
AgensSQL 	Bitnine 	Proprietary 	2016-... 	PostgreSQL with Oracle compatibility, security and enterprise features
Aster Data 	Teradata 	Proprietary 	2005-.... 	PostgreSQL + Map/Reduce
BDR 	2ndQuadrant 	BSD 	2014- 	PostgreSQL Multi Master, contributed actively back to Core PG
Bizgres 	Greenplum 	BSD 	2005-2007 	PostgreSQL + BI features
Cloudberry Database 	Apache 	Apache2 	2024-.... 	PostgreSQL + BI and AI/ML features
Cybercluster 	Cybertec 	BSD 	2007-2010 	Clustering (pgCluster fork)
Greenplum Database 	Greenplum 	Apache2 	2005-.... 	PostgreSQL + BI features (formerly known as "Bizgres MPP")
ExtenDB 	ExtenDB 	Proprietary 	2003-2007 	PostgreSQL + BI Features
FerretDB 	FerretDB 	Apache2 	2021-.... 	FerretDB is a drop-in replacement for MongoDB 6.0+ which uses PostgreSQL for storing the data.
FUJITSU Enterprise Postgres 	Fujitsu 	proprietary 	2006-.... 	Full PostgreSQL compatibility with additional functionality
GresCube 	NTT DATA 	Proprietary 	2012-.... 	Database appliance solution based on PostgreSQL
GridSQL 	EnterpriseDB 	GPL 	2007-2010 	PostgreSQL + BI Features (formerly ExtenDB)
Great Bridge PostgreSQL 	Great Bridge LLC 	BSD 	1999-2001 	PostgreSQL re-distribution
HadoopDB 	Yale University 	Apache License V2.0 	2009-.... 	PostgreSQL + shared-nothing cluster + Hadoop
Neon 	Neon 	Apache2 	2022-.... 	Neon is an open-source serverless PostgreSQL implementation heavily inspired by AWS Aurora whitepaper
OrioleDB 	OrioleDB 	PostgreSQL License 	2022-.... 	OrioleDB is an attempt to improve PostgreSQL by using lock-free page reading, undo logging, row-level WAL and more.
Hadapt 	Teradata 	Proprietary 	2011-.... 	HadoopDB fork
TimescaleDB 	Timescale 	Apache 2.0 / Timescale License	2016-.... 	TimescaleDB is an open-core DBMS for time-series based on PostgreSQL. Features include incrementally updated views and columnar compression.
Mammoth 	Command Prompt 	BSD 	2005-2010 	PostgreSQL + proprietary replication + extensions
Netezza 	IBM 	proprietary 	2002-.... 	Appliance based on PostgreSQL SQL engine
NuSphere UltraSQL 	NuSphere 	proprietary 	2002-2003 	Native Win32 port of PostgreSQL
ParAccel 	Actian 	proprietary 	2005-.... 	PostgreSQL + BI features
Pervasive PostgreSQL 	Pervasive 	BSD 	2005-2006 	PostgreSQL re-distribution
pgCluster 	SRA 	BSD 	2002-2005 	Clustering (Share Nothing)
pgCluster-II 	SRA 	BSD 	2006-2007 	Clustering (Shared Disk)
pgPool-II 	pgPool GDG 	BSD 	2006-.... 	Clustering (Connection Pooling / Replication / Load-Balancing)
PipelineDB 	PipelineDB 	GPL v3 	2015-.... 	Streaming SQL
PostgresForest 	NTT DATA 	BSD 	2006-2010 	Clustering / PostgresForest is a fork of the JDBC driver, not from the backend code.
EDB Postgres Advanced Server	EnterpriseDB 	proprietary 	2008-.... 	PostgreSQL + Oracle compatibility + security + performance tools + developer tools + DBA tools, formally Postgres Plus Advanced Server / EnterpriseDB AS
Postgres Pro Enterprise 	Postgres Professional	proprietary 	2016-... 	PostgreSQL + enterprise features
Postgres-R 	PGDG 	BSD 	2006-2010 	Clustering
Postgres-X2 	PGX2DG 	BSD 	2015- 	Clustering (formerly Postgres-XC)
Postgres-XC 	PGXCDG 	BSD 	2010-2013 	Clustering
Postgres-XL 	PGXLDG 	BSD 	2014-.... 	Clustering
PowerGres 	SRA OSS 	proprietary 	2003-.... 	Native Win32 port of PostgreSQL and Linux RPM
PowerGres Plus 	SRA OSS 	proprietary 	2003-.... 	PostgreSQL + custom storage engine, redundant WAL, encrypted database
PostgreSQL for Solaris 	Sun 	TPL 	2006-2009 	PostgreSQL re-distribution
RecDB 	umn.edu 	BSD 	2013-.... 	Recommendation Engine
Red Hat Database 	Red Hat 	BSD 	2002-2003 	PostgreSQL re-distribution
Redshift 	Amazon 	Private/Cloud-based 	2013-.... 	Data Warehouse on AWS (based on ParACCEL)
Stado 	Stado GDG 	GPL 	2011-2011 	PostgreSQL + BI Features (fork of GridSQL)
TelegraphCQ 	UC Berkeley 	BSD 	2000-2008 	Data Stream oriented fork of PostgreSQL
ToroDB 	8Kdata 	AGPLv3 	2015-2018 	Turns PostgreSQL into a NoSQL database compatible with MongoDB. It can work as a standalone database or a secondary node of a MongoDB replicaset.
TruCQ 	Truviso 	proprietary 	2008-2012 	Fork of TelegraphCQ
Weaver Platform 	Sysunite 	GPL-3.0 	2015-.... 	Graph Oriented App Development Platform
Yahoo! Everest 	Yahoo! 	private 	2008-.... 	multi-petabyte database / MPP
YugabyteDB 	Yugabyte 	Apache2 	2016-.... 	YugabyteDB is distributed SQL using PostgreSQL on top of distributed storage and transaction
== Related documents ==
* https://en.wikipedia.org/wiki/Template:Timeline_PostgreSQL
* https://github.com/rafaelma/postgresql-timeline
* http://de.slideshare.net/pgconf/elephant-roads-a-tour-of-postgres-forks
* https://github.com/daamien/artwork/tree/master/inkscape/PostgreSQL_timeline
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