BDR218 36 - BiDirectional Replication - a multimaster replication system for PostgreSQL
Patroni2k 157 - Template for PostgreSQL HA with ZooKeeper or etcd.
Stolon2k 165 - PostgreSQL HA based on Consul or etcd, with Kubernetes integration.
pglookout68 6 - Replication monitoring and failover daemon.
repmgr919 212 - Open-source tool suite to manage replication and failover in a cluster of PostgreSQL servers.
Slony-I - "Master to multiple slaves" replication system with cascading and failover.
PAF87 23 - PostgreSQL Automatic Failover: High-Availibility for Postgres, based on Pacemaker and Corosync.
SkyTools - Replication tools, including PgQ, a queuing system, and Londiste, a replication system a bit simpler to manage than Slony.
Backups
Barman - Backup and Recovery Manager for PostgreSQL by 2ndQuadrant.
OmniPITR145 31 - Advanced WAL File Management Tools for PostgreSQL.
pg_probackup68 9 – A fork of pg_arman, improved by @PostgresPro, supports incremental backups, backups from replica, multithreaded backup and restore, and anonymous backup without archive command.
psql2csv84 15 - Run a query in psql and output the result as CSV
Server
Postgres-XL - Scalable Open Source PostgreSQL-based Database Cluster.
Citus3k 192 - Scalable PostgreSQL cluster for real-time workloads.
PipelineDB - Open source streaming SQL database, fork of postgres
Monitoring
check_pgactivity47 31 - check_pgactivity is designed to monitor PostgreSQL clusters from Nagios. It offers many options to measure and monitor useful performance metrics.
Check_postgres271 108 - Nagios check_postgres plugin for checking status of PostgreSQL databases.
Instrumental4 1 - Real-time performance monitoring, including pre-made graphs for ease of setup (Commercial Software)
libzbxpgsql73 30 - Comprehensive PostgreSQL monitoring module for Zabbix.
Pome1k 50 - Pome stands for PostgreSQL Metrics. Pome is a PostgreSQL Metrics Dashboard to keep track of the health of your database.
pg_view283 32 - Open-source command-line tool that shows global system stats, per-partition information, memory stats and other information.
pgwatch2147 34 - Flexible and easy to get started PostgreSQL metrics monitor focusing on Grafana dashboards.
opm.io - Open PostgreSQL Monitoring is a free software suite designed to help you manage your PostgreSQL servers. It can gather stats, display dashboards and send warnings when something goes wrong.
Extensions
cstore_fdw916 98 - Columnar store for analytics with PostgreSQL.
cyanaudit - Cyan Audit provides in-database logging of all DML activity on a column-by-column basis.
pglogical184 37 - Extension that provides logical streaming replication.
pg_partman568 105 - Partition management extension for PostgreSQL.
pg_paxos257 20 - Basic implementation of Paxos and Paxos-based table replication for a cluster of PostgreSQL nodes.
pg_shard1k 72 - Extension to scale out real-time reads and writes.
PGStrom - Extension to offload CPU intensive workloads to GPU.
pgxn PostgreSQL Extension Network - central distribution point for many open-source PostgreSQL extensions
plpgsql_check73 9 - Extension that allows to check plpgsql source code.
PostGIS - Spatial and Geographic objects for PostgreSQL.
PG_Themis - Postgres binding as extension for crypto library Themis, providing various security services on PgSQL's side.
zomboDB1k 72 - Extension that enables efficient full-text searching via the use of indexes backed by Elasticsearch.
pgMemento90 13 - Provides an audit trail for your data inside a PostgreSQL database using triggers and server-side functions written in PL/pgSQL.
Timescale - Open-source time-series database fully compatible with Postgres, distributed as extension
pgtune73 4 - Online version of PostgreSQL configuration wizard.
pgconfig.org32 7 - PostgreSQL Online Configuration Tool (also based on pgtune).
PoWA - PostgreSQL Workload Analyzer gathers performance stats and provides real-time charts and graphs to help monitor and tune your PostgreSQL servers.
Utilities
apgdiff - Compares two database dump files and creates output with DDL statements that can be used to update old database schema to new one.
Postgres Weekly - Weekly newsletter that contains articles, news, and repos relevant to PostgreSQL.
PaaS (PostgreSQL as a Service)
Aiven PostgreSQL - PostgreSQL as a service in AWS, Azure, DigitalOcean, Google Cloud and UpCloud; plans range from $19/month single node instances to large highly-available setups, free trial for two weeks.
Citus Cloud - Production grade scaled out PostgreSQL as a service enabling real-time workloads and sharding your multi-tenant apps.
Database Labs - Get a production-ready cloud PostgreSQL server in minutes, from $20 a month Backups, monitoring, patches, and 24/7 tech support all included.
ElephantSQL - Offers databases ranging from shared servers for smaller projects and proof of concepts, up to enterprise grade multi server setups. Has free plan for up to 5 DBs, 20 MB each.
Google Cloud SQL for PostgreSQL - Fully-managed database service that makes it easy to set up, maintain, manage, and administer your PostgreSQL relational databases on Google Cloud Platform. (Beta)
Heroku Postgres - Plans from free to huge, operated by PostgreSQL experts. Does not require running your app on Heroku. Free plan includes 10,000 rows, 20 connections, up to two backups, and has PostGIS support.
Docker images
citusdata/citus - Citus official images with citus extensions. Based on the official Postgres container.
mdillon/postgis - PostGIS 2.3 on Postgres 9. Based on the official Postgres container.
postgres - Official postgres container (from Docker)