mainframe modernization Archives | Keyhole Software

Alt text (short): Diagram of mainframe workloads passing a parallel-run check on the way to Java and .NET on cloud.

Leading Mainframe Modernization Companies: 2026 Rankings

Keyhole Software October 21, 2026 Articles, Keyhole Perspectives, Modernization Leave a Comment

Compare 8 mainframe modernization companies on documented delivery, behavior preservation, AI governance, architecture independence, team seniority, and pricing.

Data Migration Without the Drama” blog header by Zach Gardner, Chief Architect at Keyhole Software. A diagram shows data domains moving from a legacy system through a reconciliation gate to a target platform in waves. The first wave is reconciled on row counts and field totals.

Data Migration Without the Drama: A 2026 Guide for CEOs and CIOs

Zach Gardner October 19, 2026 Agentic AI & AI-Accelerated Development, All Industries, Architecture, Articles, Artificial Intelligence, Data Management, Data Science, Industry Research, Modernization Leave a Comment

Most data migrations run over time or budget. Here are the root causes, a gated phase-by-phase plan, AI guardrails, and a checklist for CEOs and CIOs.