The R package pfm provides some utilities for dealing with FOCUS pesticide fate modelling tools, (currently only TOXSWA cwa files), made available under the GNU public license. This means:
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>
You can install the package from github, e.g. using the devtools
package. Using quick = TRUE
skips docs, multiple-architecture builds, demos, and vignettes, to make installation as fast and painless as possible.
library(devtools)
install_github("jranke/pfm", subdir = "pkg", quick = TRUE)