Version of a Oracle Applications Form (fmx) or report

strings -a | grep Header
alternatively you can also use the adident command

Version of a Java class File

$ strings | grep '$Header'

JAVA version

$ java -version

How to find the Apache version?

Go to the $iAS/Apache/Apache/bin directory and enter the following command:
$ httpd -version

Version Of The OA Framework

To find out the version of your Oracle appplication Framework



Oracle Application Product Version or Patch Set Level.

select patch_level from fnd_product_installations where patch_level like '%AD%';

WorkFlow Version

select TEXT Version from WF_RESOURCES where TYPE = 'WFTKN' and NAME = 'WF_VERSION';