Planet Mainframe is the premier digital voice for the global mainframe community. A vendor-neutral publication, Planet Mainframe features experts, thought leaders, and new-to-the-workforce perspectives on mainframes, hybrid architectures, AI, AIOps, cloud, and...

Subscriber LoginCheryl Watson's Tuning Letter | 2025 - Issue 01

Subscriber LoginCheryl Watson's Tuning Letter | 2024 - Issue 04

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #Product/Service Information:Product families developed by 21CS experts lie in the areas of data and storage management, resiliency, analytics, and system and operational tools. Since 1992, 21CS has been developing...

Sponsored byRead the Security, Risk, and Resilience Section

Subscriber LoginPlanet Mainframe Insight Engine

View the 2025 VolumeView the 2024 VolumeView the 2023 Volume

Meet the 2026 Influential Mainframers Mainframe technology continues to evolve because of the dedicated professionals, educators, mentors, and innovators who drive it forward. This April, we’re celebrating them. Welcome to the third annual Influential Mainframers...