As mainframe workloads grow and business speeds accelerate, developers use open-source software (OSS) for z/OS to boost productivity, but unsupported OSS exposes mission-critical apps and data to severe security threats. Many enterprises overlook risks, unsure if they're even using OSS on mainframes. Rocket Software helps by delivering Open AppDev for Z—a curated, secure suite of 25+ OSS tools/languages like Git, Python, and Bash, with package management, automated CVE patching per NIST standards, controlled access channels, and 24x7 support—ensuring productivity gains, compliance, vulnerability mitigation, and risk-free modernization without losing open-source benefits.

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