NetBeans: dark look and feel with Darcula LAF
Darcula is a dark look and feel that first appeared in the 2012 release of IntelliJ IDEA 12 and now it’s available for NetBeans thanks to Revivius (plugin owner) and to Konstantin Bulenkov (for open sourcing original Darcula LAF).
If you want more info about Darcula LAF you can read the interview with Konstantin Bulenkov.