R package future.tools is available via R-universe and can be installed as:
options(repos = c("https://futureverse.r-universe.dev", getOption("repos")))
install.packages("future.tools")
To install the pre-release version that is available in Git branch
develop
on GitHub, use:
remotes::install_github("futureverse/future.tools", ref="develop")
This will install the package from source.