Although the word itself has other meanings, for the purpose of this category, the reference is to an angel in the biblical sense, which is a spiritual being, separate from humankind, who is a messenger of God, and familiar with Him face to face.
Regular Websites
A discussion of Biblical angels is related here, along with stories of personal encounters with angelic beings, poetry, images of angels, as well as other angel graphics, clip art and other resources. Other Christian information, including prayer requests, are also included here. - Angels Light
http://www.angelslight.org/
Angels Online serves as a reservoir of stories, submitted by readers throughout the world, of personal encounters with angels, spiritual awakenings, healing miracles, and other extraordinary experiences, particularly those related to angel visitations. - Angels Online
http://www.angels-online.com/
IBIA is a member-supported site focused on angels from a Biblical perspective, and from a Christian point of view. Resources available include Bible studies on the subject, member-submitted stories, poetry and other articles, as well as answers to various questions about angels. - I Believe in Angels
http://www.ibelieveinangels.com/