This is a rewrite of the popular tool unclutter, but using the x11-xfixes extension. This means that this rewrite doesn't use fake windows or pointer grabbing and hence causes less problems with window managers and/or applications.
unclutter-xfixes is available in the AUR as unclutter-xfixes-git.
unclutter-xfixes is available via a copr repository.
unclutter-xfixes is available in the FreeBSD Ports Collection as misc/unclutter-xfixes.
unclutter-xfixes is make-based. Hence, you can clone the git repository and compile and install it via
git clone https://github.com/Airblader/unclutter-xfixes
cd unclutter-xfixes
make
sudo make install
See man unclutter after installation.