* [pg_trickle v0.81.0](https://github.com/trickle-labs/pg-trickle) – PostgreSQL 18+ extension providing declarative stream tables with incremental view maintenance via differential dataflow in Rust.

* [pg_trickle v0.49.0](https://github.com/grove/pg-trickle) – PostgreSQL extension providing declarative, automatically-refreshing materialized views using differential dataflow for incremental view maintenance.