Redirect Trashed Posts to Their Category
Remembers the address of each post or page you move to the trash and sends later visitors to its category, parent page or the blog page instead of a 404, even after the trash is emptied.
Snippet Library
Redirects snippets for WordPress
Snippets that send visitors where they should go: redirect after login or logout, from attachment pages, old URLs and empty searches, or to a maintenance page. Quick fixes when you only need a few redirects, not a redirection plugin.