The first one is called Audit Trail. It does what the name implies. It keeps an audit trail of all activity on the blog, you can configure different levels of auditing and storage times. This can become very handy to keep an eye on what is happening in your blog if you have different users changing content.
The next one is called Role Manager. This is an extremely powerful and useful plugin, you can create new roles, and edit roles. You can tailor a users permissions to very exact needs only.This can be great if you have users performing only specific tasks, and don’t want them to have more rights than they need to have.
