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IronMain Assembler

Developer tooling and z/Arch+z/OS assembler for teams modernizing assembly.

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AI-ready MCP tools for codebase migration
LSP support for s390x assembly workspaces
Comprehensive macro expansion and source nav for the toughest HLASM projects
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Full featured GOFF assembler

IronMain Runtime

A fast and safe Rust runtime for running Z/OS GOFF binaries in the cloud.

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Rust runtime for containerized deployments
First class support for EC2, Fargate, and EKS deployments
Explicit support for vertically scaling EKS workloads
Debugger and interpreter for mock and in-prod deployment debugging

IronMain Scheduler

Cloud-native JCL scheduler for accepting, validating, and running JCL job submissions.

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Accepts JCL job submissions
Validates job structure, steps, procedures, and datasets
Dispatches batch workloads onto container or queue backends
Tracks job state, logs, return codes, and audit history

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