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| Name | Vendor | License | Availability | Notes |
|---|---|---|---|---|
| Amalgamated Insight | ... | proprietary | ... | Fork of TelegraphCQ |
| Bizgres | ... | BSD | ... | PostgreSQL + BI features |
| Bizgres MPP | ... | proprietary | ... | PostgreSQL + BI features |
| EnterpriseDB | ... | proprietary | ... | PostgreSQL + Oracle compatibility |
| ExtenDB | ... | proprietary | ... | PostgreSQL + BI Features |
| Great Bridge PostgreSQL | ... | BSD | ... | PostgreSQL re-distribution |
| Mammoth | ... | BSD | ... | PostgreSQL + contrib modules |
| Netezza | ... | proprietary | ... | Appliance based on PostgreSQL SQL engine |
| NuSphere UltraSQL | ... | proprietary | ... | Native Win32 port of PostgreSQL |
| parACCEL | ... | proprietary | ... | PostgreSQL + BI features |
| Pervasive PostgreSQL | ... | BSD | ... | PostgreSQL re-distribution |
| PowerGres | ... | proprietary | ... | Native Win32 port of PostgreSQL |
| PowerGres Plus | ... | proprietary | ... | PostgreSQL + custom storage engine |
| PostgreSQL for Solaris 10 | ... | BSD | ... | PostgreSQL re-distribution |
| Red Hat Database | ... | BSD | ... | PostgreSQL re-distribution |
| TelegraphCQ | ... | BSD | ... | Data Stream oriented fork of PostgresSQL |