Econ Technologies (www.econtechnologies.com) has updated ChronoSync to version 4.6.4 with fixes related to OS X El Capitan.
ChronoSync is a Mac backup, bootable backup, and folder synchronizing app. It works with any device you can connect to a Mac, such as external drives, thumb drives, network volumes, remote Macs, or even a PC. Additionally the 4.6.4 update — free to registered users — includes fixes to problems with establishing IPv6 network connections. Whether it’s a minor or major update all existing users update for free.
For new users ChronoSync costs US$49.99. A demo is available for download.