The Apache Flex® Project has the following official logo:
The logo is available in the following formats :
You can see the JIRA ticket where these logos were submitted at : FLEX-33093
A special thanks to Adrian Knopik of Fuse Collective, for creating it and Tomasz Maciąg for submitting it.
All other assets are available in our SVN. Apache Logos, Marks, etc. are available from the Foundation Press Kit Website