The company where I’m working now, GNStudio, released a new open source service, called Snippet Repo Browser.

This wiki will contain a lot of ActionScript, Flex, Flash, Air and php snippets that you can copy/paste in your applications.

Snippet could be also used as repository for your own scripts, infact you can make a new registration, write and share your code and display all your scripts using a similar url:

Snippet personal link:http://snippet.gnstudio.com/user/flagers (this will show all my scripts)
Snippet personal RSS:http://snippet.gnstudio.com/rss2/user/flagers

OTHER INTERESTING FEATURES:

- an Eclipse Plugin to see all snippets inside your Flex Builder / Eclipse Enviroment.
- Source code available on Source Forge
- Application is well-documentation
- Facebook Connection
- Public API