Top 4 C foreign-data-wrapper Projects

tds_fdw

1 347 5.6 C

A PostgreSQL foreign data wrapper to connect to TDS databases (Sybase and Microsoft SQL Server)
pgrocks-fdw

1 117 10.0 C

Bring RocksDB to PostgreSQL as an extension. It is the first foreign data wrapper (FDW) that introduces LSM-tree into PostgreSQL. The underneath storage engine can be RocksDB. The FDW also serves for VidarDB engine, a versatile storage engine for various workloads. See the link for more info about VidarDB engine.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
firebird_fdw

2 36 4.8 C

A PostgreSQL foreign data wrapper (FDW) for Firebird - latest version 1.3.1 (2022-06-22)
r53db

1 19 0.0 C

r53db, the PostgreSQL Foreign Data Wrapper for the AWS Route53 Database service

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).