Wiki is a piece of server software that allows users to freely create and edit Web page content using any Web browser. Wiki supports hyperlinks and has a simple text syntax for creating new pages and crosslinks between internal pages on the fly.

 Blogs are discussion or informational site published on the world wide web consisting of discrete entries many blogs provide commentary on a particular subject; others function as more personal online diary . some other functions are advertising of a particular individual or company. A typical blog combines text, images, and links to other blogs, Web pages , and other media related to its topic.