Download CharisMac RAID 2.5 for Mac from our website for free.
From the developer:
Popular Mac RAID Utility allows you to easily create RAID level O and 1 for video and data applications. Mac OS 8.x and HFS+ savvy.
You may want to check out more software for Mac, such as UFS Explorer RAID Recovery, Recovery Explorer RAID or G-RAID with Thunderbolt Configurator, which might be similar to CharisMac RAID.