Mark Jaquith

Sends e-mail notifications to a configurable list of addresses when Pages are published, scheduled, or modified. People on the notification list will know what page changed, and in what way it changed (e.g. updated, published, scheduled, trashed, etc).

Monitor Pages

Sends e-mail notifications to a configurable list of addresses when Pages are published, scheduled, or modified.

andreu

This plugin automatically adds HTML anchor tags to plain text links and email addresses embedded in the content of posts and pages (WordPress already does this by default for comments).
In the plugin configuration page, you can choose to open the links in a new window or in the current window.

AutoLink

This plugin automatically adds HTML anchor tags to plain text links and email addresses embedded in the content of posts and pages.

Monitor Pages vs AutoLink