Nikon has released Wireless Transmitter Utility 1.5.6 and Camera Control Pro 2.22.1 ($149.95), both with OS X 10.11 support. The latest Nikon ViewNX-i & Capture NX-D are now ‘bundled’ into one installer (together with Picture Control Utility and the new Message Center):
Wireless Transmitter Utility (OS X 10.11) version 1.5.6
Camera Control Pro 2 (Mac) version 2.22.1
Nikon Message Center 2 version 2.2.0