Show Custom Post Types in Year and Month Archives
Makes yearly, monthly and daily archives also list custom post type entries, such as recipes or events, not just blog posts.
Snippet Library
Archives snippets for WordPress
Snippets for category, tag, author and date archives: change titles and descriptions, the number of posts per page, ordering and which post types appear. For sites that rely on well-organized archive pages for readers and search engines.
Upcoming Events Archive Sorted by Event Date
Orders an events post type archive by the event date stored in a custom field, soonest first, and hides events that have already happened.