WordPress (10000 programs)

Pros: Copying and creating pages is very quick. Plenty of tools for tweaking content. Options to create redirects after clicking clone links. Add suffixes and prefixes to posts.

Cons: Does not work with several SEO plugins. Hyperlinks often break when changing themes. Duplicated pages load slowly. Free version is underpowered.

Pros: Let you add up to 14 custom fields. You can show or hide fields on specific pages. Simple reset option. You can sort of duplicate fields.

Cons: No WPML support.