IBM Z Alternatives (January 2026)

IBM Z mainframe servers and software deliver secure, reliable, and fast IT infrastructure for digital transformation.

4.2/5

448+ reviews

Reviewed on:

G2
Capterra
Trustradius
Gartner
Trustpilot
1.
IBM LinuxONE
https://www.ib
.com/linuxone/

IBM LinuxONE is an enterprise-grade Linux server that brings together IBM’s experience is building Z mainframe systems with the openness of the Linux operating system.

2.
IBM CICS Transaction Server for z/OS
https://www.ib
.com/products/cics-transaction-server/

IBM CICS Transaction Server for z/OS drives operational efficiencies while increasing service agility, with a service delivery platform for cloud computing.

3.
Power servers | IBM
https://www.ib
.com/power/

IBM Power servers accelerate big data insights and hybrid cloud deployment with an open server ecosystem.

4.
IBM Db2
https://www.ib
.com/db2/

IBM Db2 is the database to run your mission-critical workloads. Power low-latency transactions and real-time analytics across any cloud, hybrid or on-prem.

5.
Storage FlashSystem and All-Flash Array Solutions | IBM
https://www.ib
.com/flashsystem/

Get market-leading performance, efficiency and cyber resilience while streamlining complexity across all environments with the IBM Storage FlashSystem platform family.

6.
IBM Enterprise PL/I for z/OS - Overview
https://www.ib
.com/products/pli-compiler-zos/

The Enterprise PL/I compiler provides the essential tools for creating and maintaining mission-critical PL/I applications for execution on IBM Z.

7.
Netezza Performance Server | IBM
https://www.ib
.com/products/netezza/

IBM Netezza Performance Server is a data warehouse for demanding hybrid-cloud environments available as SaaS and for self-hosting through IBM Cloud Pak for Data System.

8.
IBM Cloud Bare Metal Servers
https://www.ib
.com/products/bare-metal-servers/

IBM Cloud Bare Metal Servers are 100% dedicated, secure, bare metal servers. Servers are available with Intel, Z, or LinuxONE architectures in a shared or VPC environment.

9.
PowerVM | IBM
https://www.ib
.com/products/ibm-powervm/

IBM PowerVM software is a virtualization environment that can run AIX, IBM i and Linux virtual machines on IBM Power servers.