This site from the John F. Kennedy Presidential Library and Museum attempts to recreate the Apollo 11 mission in real-time. Visitors can follow the progress of the mission through three different Twitter feeds. A mission counter will displays on what stage the mission is currently. The site also features audio, video, and photos from the mission.
Google Moon features a map showcasing the landing sites of the Apollo Missions.
This site contains links to various NASA websites commemorating Apollo 11's 40th anniversary.