If you are already using deal.II: Our institutes are evaluated at regular intervals. Consequently, we need to document the use of the programs and libraries we create. If you have written publications (including Diploma, Masters or PhD theses) with the help of deal.II that are not already listed here, please let us know about it by sending an email with the reference to Wolfgang Bangerth or any of the other authors of deal.II.


Current release: 8.3.0


dealii-8.3.0.tar.gz (PGP signature)
Aug 2, 2015. 13MB.

sha1: 274288b09c053b461239040816129a9eb9d45914

See README for installation instructions or open doc/readme.html after unpacking.

Offline documentation

(PGP signature) Aug 2, 2015. 152MB.

sha1: 4c079de9f44bb2f2d1d13c8a29ef283ed587cf08

Binary package for Mac OS

(PGP signature) Jan 13, 2015. 276MB.

sha1: 0097b450e5d621aa016ccf9cbe8cb1da8c489f6a

Mac OSX Instructions

Virtual Machine Image

More information

Previous versions

Older downloads for 8.X are available on github.

(Binary) packages

deal.II is readily packaged for some Linux distributions:


deal.II is available in the Gentoo Science Overlay. The package is called sci-libs/dealii.

Development sources

To stay in sync with the most recent development version, have a look at our git repository hosted on github. This provides the latest features (as well as the latest bugs.) You can clone the repository directly on the command line via

  git clone https://github.com/dealii/dealii.git

To see what is going on, explore the changelog on github.

Contributing to the deal.II development is easy and is best done by forking the deal.II repository. To do this, create an account on github and then, when you're logged in, click on the "Fork" button at the top right of the deal.II github page. There are good tutorials on how to contribute to projects at github's front page. An introduction to how git works can be found here or here.

External packages

deal.II can utilize the functionality of quite a number of other packages. Their use is documented in the ReadMe file. The following links should allow you to download these packages: PETSc, SLEPc, Trilinos, METIS, NetCDF, MUMPS, BLACS, SCALAPACK, p4est.

In addition, deal.II can use BLAS and LAPACK. These packages are typically provided either generically by the operating system installation, or by the hardware vendor for a particular processor.