Files with aop suffix can be found as special JAR archives from JBoss Application Server.
Software that open aop file
AOP file extension - JBoss AS JAR archive
What is aop file? How to open aop files?
File type specification:
File extension aop seems to be mainly associated with the JBoss Application Server.
A typical .aop file can be used to package user-defined aspects and their bindings. The AOP archive can be bundled inside other deployment archive files to provide aspect services to a specific application.
The default software associated to open aop file:
WildFly (JBoss Application Server) 
Company or developer:
Red Hat, Inc.
WildFly (previously JBoss) is open source Java and Java EE application server. It is available for every operating system that supports Java.
List of software applications associated to the .aop file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open aop file, edit aop file, convert aop file, view aop file, play aop file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting aop files.
Software that open aop file - JBoss AS JAR archive
Programs supporting the exension aop on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about WildFly (JBoss Application Server) for open aop file action.
