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Best Mainframe Testing Tools in 2026

• 7 apps
• Research read 28 Sept 2026
• How the order is worked out

1. 1 A

   ACCELQ

   Free plan AndroidAPIiPhone+5

   ACCELQ brings broad test automation and manual test management capabilities into one platform. Its advertised trial offers a way to explore web and mobile cloud device farms before requesting pricing.

   7.7 Free plan · pricing on request Visit site
2. 2 G

   Galasa

   Free plan LinuxMacWindows
   6.3 Free plan Visit site
3. 3 I

   IBM Test Accelerator for Z

   Paid LinuxMacWeb+1
   4.7 Pricing on request Visit site
4. 4 I

   IBM Workload Simulator for z/OS and OS/390

   Paid
   4.0 Pricing on request Visit site
5. 5 I

   IBM Z Unit Test

   Paid Windows
   4.0 Pricing on request Visit site
6. 6 R

   Rocket SmartTest

   Paid
   3.8 Pricing on request Visit site
7. 7 I

   Infotel Application Parallel Testing

   Paid
   3.7 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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