These plugins.
Japanize
Static Pages
Autotags
Sitemap (for Static Pages plugin IDs of pages that should not be listed on the sitemap (space separated, regular expression supported))
Forum
Dbman (for automatic database backup by using CRON(24 hours))
Assist (for ogp and many autotags
https://www.geeklog.jp/admin/plugins/assist/docs/english/autotags.html )
Links
Banner (random banner)
Monitor
TinyMCE (for DataBox plugin)
Media Gallery
DataBox
reCAPTCHA
download:
https://github.com/ivywe/geeklog-ivywe
ISPConfig Hosting Control Panel:
https://www.ispconfig.org/
Geeklog Japan
https://www.geeklog.jp