Several websites provide information related to OpenMX as listed below. We hope that you may find a proper information depending on your tastes.
http://physics.oregonstate.edu/ tatej/COURSES/ph575/doku.php?id=openmx
https://www.slideshare.net/cms_initiative/open-mx-lecture
http://f-ishii.w3.kanazawa-u.ac.jp/ja/index.cgi?page=%B7%D7%BB%BB%CA%AA%C0%AD%B2%CA%B3%D82018
http://www.hpci-office.jp/pages/appli_openmx
https://sites.google.com/site/mtoyodacmp/openmx-memo
http://www-fps.nifs.ac.jp/ito/memo/openmx04.html
https://ma.issp.u-tokyo.ac.jp/app/594
https://www5.hp-ez.com/hp/calculations/page114
https://www.slideshare.net/cms_initiative/materiapps-openmx
https://www.nsc.liu.se/ pla/blog/2014/06/11/openmx/
https://www.hpc-technologies.co.jp/openmx-benchmarks