The Graz Lagrangian (GRAL) system is a Lagrangian particle model with a free Graphic User Interface (GUI) available in both Linux and Windows and it is well know among odour modellers. Now the developers have released the version 21.09 with plenty of bug fixes and new features.
One more year, the GRAL GRAMM team have been working on changes and modifications in the code, and correcting bugs. This is the list of new features and bugs corrected for GRAL, GRAMM and the Graphic User Interface (GUI) for this release.
More info about this update may be found here.
The software is open source under a GPL-3.0 license, so everybody is welcome to contribute to the project. The source code, has been published, as usual, in github. The new version 21.09 is available on the GRAL homepage: https://gral.tugraz.at/