Reliably Replicating Data Between PostgreSQL and ClickHouse

1. pgvectorscale

   1 11 1,902 8.7 Rust

   A complement to pgvector for high performance, cost efficient vector search on large workloads.

   

   I've been very confused by the timeseries branding - I had always thought timescale was purely about adding time series features to PostgreSQL. I didn't know the extension had other applications.

   Looks like you've expanded into vector indexing - https://github.com/timescale/pgvectorscale - and an extension which bakes RAG patterns (including running prompts from SQL queries) into PostgreSQL: https://github.com/timescale/pgai

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3. citus

   2 71 11,292 9.3 C

   Distributed PostgreSQL as an extension

   

   for one thing, depending on your licensing contraints:

   - Citus is AGPLv3 https://github.com/citusdata/citus/blob/v13.0.1/LICENSE

   - Hydra is Apache 2 https://github.com/hydradatabase/columnar/blob/v1.1.2/LICENS...

   - Timescale is mostly Apache 2 https://github.com/timescale/timescaledb/blob/2.18.2/LICENSE

4. columnar

   3 31 2,936 5.4 C

   Postgres-native columnar storage extension

   

   for one thing, depending on your licensing contraints:

   - Citus is AGPLv3 https://github.com/citusdata/citus/blob/v13.0.1/LICENSE

   - Hydra is Apache 2 https://github.com/hydradatabase/columnar/blob/v1.1.2/LICENS...

   - Timescale is mostly Apache 2 https://github.com/timescale/timescaledb/blob/2.18.2/LICENSE

5. TimescaleDB

   4 105 18,966 9.8 C

   A time-series database for high-performance real-time analytics packaged as a Postgres extension

   

   for one thing, depending on your licensing contraints:

   - Citus is AGPLv3 https://github.com/citusdata/citus/blob/v13.0.1/LICENSE

   - Hydra is Apache 2 https://github.com/hydradatabase/columnar/blob/v1.1.2/LICENS...

   - Timescale is mostly Apache 2 https://github.com/timescale/timescaledb/blob/2.18.2/LICENSE

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