#mainframe

COBOL Lens

rendani-labs

COBOL tooling tailored for the Micro Focus / Rocket COBOL dialect: syntax highlighting, Go to Definition, Peek, Find All References, hover with field size, copybook autocomplete, code folding, and a 49-rule integrated linter. No compiler required.

Nomain

Nomain

Chat with your codebase: ask questions and navigate source using Nomain knowledge graphs.

FixedWidth Forge: Logistics Data Parser

Devotall

FixedWidth Forge (FW Forge) enables high-speed previewing and table-based exploration of legacy fixed-width and flat-file formats (COBOL, EDI, ERP/Mainframe exports) directly in VS Code. Simply define a YAML layout file to parse and visualize complex data structures without enterprise bloat.

XDC

colesoft-marketing

VS Code extension for Z/XDC

zProcFlow - JCL Procedure Expander

selvamsk

Intelligent JCL procedure expansion with SET parameters, symbolic substitution, and DD overrides for z/OS mainframe development

FirstLook

CultureQuestStudios

Adds and Surfaces verified, persistent meaning to code artifacts — available exactly where you need it, without modifying your code.