The FotoWeb EPiServer plugin is an Open Source project under the AGPL license.
The repository can be found here: https://bitbucket.org/fotoware/episerver
Anyone can clone and fork this project, but any changes need to be contributed back with a pull request.
FotoWare does not create and distribute NuGet packages for branches supporting other versions than EPiServer 7.5. But we will distribute new NuGet packages for updates on version 7.5.