Welcome to [ATLAS](https://atlas.ch)offline software!
Welcome to [ATLAS](https://atlas.ch)Athena software!
To find out how to build Athena, make merge requests etc, please have a look at the [release building](https://atlassoftwaredocs.web.cern.ch/guides/build_release/) pages.
In particular, if you fork this project *please do not forget* to add the ATLAS Robot as a developer (assuming you might want to submit a merge request) as documented [here](https://atlassoftwaredocs.web.cern.ch/gittutorial/gitlab-fork/).
To contribute to this project, follow our [git tutorial](https://atlassoftwaredocs.web.cern.ch/gittutorial/). In particular, if you fork this project *please do not forget* to [add the ATLAS Robot as a developer](https://atlassoftwaredocs.web.cern.ch/gittutorial/gitlab-fork/).
For ATLAS members, please see the [Atlas Computing Twiki](https://twiki.cern.ch/twiki/bin/view/AtlasComputing/AtlasComputing) for even more information.
Branches
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The following branches are currently active:
The following major branches are currently active:
[master](https://gitlab.cern.ch/atlas/athena/tree/master) | AthenaMT development | Athena, 22.0.X
[22.0](https://gitlab.cern.ch/atlas/athena/tree/22.0) | Run-3 Tier0 and Point1 | Athena, 22.0.X
[master](https://gitlab.cern.ch/atlas/athena/tree/master) | Development, Analysis, Derivations | all projects
Links
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- The [ATLAS webpage](https://atlas.ch) will tell you all about the ATLAS experiment (for ATLAS members, the collaboration webpage is [here](https://atlas-collaboration.web.cern.ch/))
- The [Twiki](https://twiki.cern.ch/twiki/bin/view/AtlasComputing/AtlasComputing) is the main source of documentation, and has many links to sub-domains
- The [software documentation](https://atlassoftwaredocs.web.cern.ch) page has some tutorials etc
- The [software documentation](https://atlassoftwaredocs.web.cern.ch) page is the main entry point for tutorials, etc.
- The git repository is [here](https://gitlab.cern.ch/atlas/athena)
- And the Doxygen code documentation can be found [here](https://atlas-sw-doxygen.web.cern.ch/atlas-sw-doxygen/atlas_22.0.X-DOX/docs/html/index.html)
- The [ATLAS Nightlies and CI page](https://bigpanda.cern.ch/globalview/) shows the build status of all nightlies
- The [Doxygen code documentation](https://atlas-sw-doxygen.web.cern.ch/atlas-sw-doxygen/atlas_22.0.X-DOX/docs/html/index.html) is available for the master branch
- To cite Athena, you can use the following zenodo [DOI](https://zenodo.org/record/2641997)