I’m not sure what hosting tier this refers to but it is shown in Jono Bacon’s Discourse Training series, in Part 3 at about 4:48
I thought it might be useful to have a list. Some of these plugins may over time be deprecated so still check before installing them.
discourse-adplugin
discourse-affiliate
discourse-akismet
discourse-assign
discourse-cakeday
discourse-calendar
discourse-canned-replies
discourse-chat-integration
discourse-checklist
discourse-data-explorer
discourse-docs
discourse-github
discourse-invite-tokens
discourse-lti
discourse-math
discourse-oath2-basic
discourse-openid-connect
discourse-patreon
discourse-plugin-linkedin-auth
discourse-plugin-office365-auth
discourse-rss-polling
discourse-sitemap
discourse-solved
discourse-spoiler-alert
discourse-subscriptions
discourse-user-notes
discourse-voting
discourse-yearly-review
discourse-zendesk-plugin
Reassuring to know that using this many plugins is viewed as safe/stable and doesn’t presumably incur any sufficiently bad performance disadvantages.