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Greenplum Hadapt Netezza PipelineDb Postgres-XL Redshift AgensGraph TimescaleDB Fujitsu Enterprise Postgres PolarDB CrunchyBridge

• craigkerstiens 5y ago
  A quick note on Crunchy Bridge, it is pure Postgres, not "based" on Postgres. We haven't forked or modified code at all. And some of the above (Timescale) are extensions which do not change Postgres, but hook into the extension APIs.
  • michelpp 5y ago
    Yes this is an important distinction between and extension for Postgres vs a fork of. The short-sightedness of forking boggles my mind every time. Oh, you don't want a team of hundreds of literally the best Postgres programmers in the world working for you full time all the time for free? Ok dude, have fun with your fork.
    • webmobdev 5y ago
      Forking also happens because of the license.
• rad_gruchalski 5y ago
  Yugabyte
  • zinclozenge 5y ago
    It has an API compatible with the postgresql wire protocol, but I don't think it fits in with the list since it doesn't share any code.
    • rad_gruchalski 5y ago
      Yugabyte lifts the complete top query layer from Postgres and swaps the back end for RAFT per table. It definitely qualifies.