Devenius Software is offering a free tool to help you manage SQL Server encryption keys. Its called the SQL Encryption Assistant (Basic Edition), and it allows you to create, modify, and drop encryptions keys and certificates. There are two versions of the software, one each for SQL Server 2005 and SQL Server 2008.
Devenius Software is also the company behind the website Snipstorm.com. This is a brand new community website where SQL Server DBAs can share snippets of their T-SQL code with other members of the community.