Vitess for PostgreSQL will probably just be... Vitess.
The concepts behind Vitess are sufficiently general to simply apply them to PostgreSQL now that PostgreSQL has logical replication. In some ways it can be even better due to things like replication slots being a good fit for these sorts of architectures.
The concepts behind Vitess are sufficiently general to simply apply them to PostgreSQL now that PostgreSQL has logical replication. In some ways it can be even better due to things like replication slots being a good fit for these sorts of architectures.
The work to port Vitess to PostgreSQL is quite substantial however. Here is a ticket tracking the required tasks at a high level: https://github.com/vitessio/vitess/issues/7084