Top 5 C++ r-package Projects

Rcpp

1 723 7.3 C++

Seamless R and C++ Integration
terra

2 516 9.7 C++

R package for spatial data handling https://rspatial.github.io/terra/reference/terra-package.html (by rspatial)
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.
pdftools

1 498 4.6 C++

Text Extraction, Rendering and Converting of PDF Documents
Rblpapi

1 163 2.9 C++

R package interfacing the Bloomberg API from https://www.bloomberglabs.com/api/
covidestim

1 27 4.5 C++

Bayesian nowcasting with adjustment for delayed and incomplete reporting to estimate COVID-19 infections in the United States
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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).