Comments left by your readers on your Web Site or blog give produce a perception of the site popularity and legitimacy. Therefore, comments are generally encouraged, with exception of junk and spam, that can be successfully blocked by the modern filtering.
NicEdit is a very handy solution that helps, among other applications, to bring more user comments. It is done by significant enhancement of the comments formating capabilities.
NicEdit was developed by Brian Kirchoff and is free to use for any purpose under the MIT license.