Auto Category for Posts v1.0.10
Define a default category for each new post before it is saved.
Tags / auto-category
auto category
3 WordPress plugins tagged “auto category”. Every result links to a crawlable PlugIndex profile.
Auto Assign Post Category v1.0.1
A Few Feature Highlights Single tags can be mapped to multiple categories Useful for post authors to assign multiple categories automatically.
Daknetcorp Auto Tag Category v1.1
Daknetcorp-auto-tag-category allows you auto tag/category you post by target keywords in the post's content.