Earn 20 points
IBM Z Systems is ranked 1st in Mainframes while Unisys ClearPath Libra is ranked 2nd in Mainframes with 1 review. IBM Z Systems is rated 10.0, while Unisys ClearPath Libra is rated 9.0. On the other hand, the top reviewer of Unisys ClearPath Libra writes "Powerful system, familiar interface, and helpful support". IBM Z Systems is most compared with Fujitsu Server GS21, IBM LinuxONE and Unisys ClearPath Dorado, whereas Unisys ClearPath Libra is most compared with Unisys ClearPath Dorado.
See our list of best Mainframes vendors.
We monitor all Mainframes reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.