I really like the code inspection functionalities which are now able with either JSR 305 or Jetbrains\' proprietary annotations for IntelliJ. Unfortunately both implementati
I'm late to the party, but for future readers this might be interesting.
As of IntelliJ 15.0.2, you may natively use other annotations than the JetBrains ones:
Editor > Inspections tabJava > Probable Bugs > "@NotNull/@Nullable problems"Configure annotations button, leading to this dialog where you can select from a list of well-known annotations: