- BDR (Bi-Directional Replication for PostgreSQL)
- Postgres Pro Multimaster, part of Postgres Pro Enterprise DBMS
- Postgres-XL, a Postgres-XC derivative/enhancement.
- Londiste/PgQ (Originally part of SkyTools)
Work in progress is being tracked at Clustering Development Projects
Projects which seem to have stalled and have not had updates in 1+ year.
Existing Overview Docs
Template for information
To include information about a clustering project, please create a new page with the project's name as the page title, and use the template Template:ClusteringProject to describe the project.