Napych

Many people report WordPress version 3.1 update broken paging for categories and tags pages of their sites. This plugin disables canonical redirects for tags and categories.
If paging works for tags and categories pages of your installation, you don’t need to install this plugin.

Fix Paging

Fixes paginator with custom permalinks for some sites.

NullLogic

Pagenator is plugin that add buttons of prev and next to posts.

Pagenator

Pagenator is plugin that add buttons of prev and next to posts.

Fix Paging vs Pagenator