Izzi Software, owner of ColeSoft, the leading provider of debugging solutions for IBM mainframe environments, is proud to announce its industry-leading Z/XDC debugging software is now widely available on Visual Studio Code (VS Code), the world's most popular development environment. The millions of developers who already depend on VS Code IDE can now leverage the most powerful interactive mainframe debugger on the market as ColeSoft redefines mainframe development for the next generation.

“ColeSoft is the industry leader in providing software engineers and support staff with versatile, best-in-class debugging products for IBM mainframes, a record spanning 40 years,” said Jennifer Nelson, CEO of Izzi Software. “We’re very excited to release our Z/XDC extension for VS Code. It’s become an indispensable tool for so many mainframe professionals. Izzi Software is making mainframe development more accessible to the new generation of coders who can now leverage an expansive suite of features right in the IDE they use every day.”

With its new Z/XDC plugin, ColeSoft is offering VS Code users the power to interactively debug mainframe software in real-time. The robust and versatile features of Z/XDC offer developers, engineers, and programmers a key step to accelerating productivity while closing the looming mainframe skills gap. Leaders looking to bring enterprise-grade mainframe debugging to their VS Code environment are welcome to contact Izzi sales for product demonstrations, trial access, and pricing information.

About Izzi Software

Izzi Software was founded by experienced M&A experts and is led by a team with deep expertise in the IBM Power and IBM z environments. The company is owned by Big Band Software, which has an impressive track record in buying and running B2B SaaS businesses that are growing and profitable, with ARR in the range of $2M to $10M. Izzi Software acquired CNX Corp in July 2025.

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