Advanced enterprise software

Illuminate what lives inside
your legacy systems

A suite of advanced tools that extract, document and modernise decades of hidden business logic from Mainframe COBOL, JCL and DB2 — turning undocumented code into actionable specifications.

Start 14-day free trial Explore products
10×
faster analysis than manual
0
cost for 14-day trial
100%
hosted in Germany
8+
Mainframe file types supported

Tools that illuminate complexity

Each product targets a specific bottleneck in legacy modernisation — from understanding what exists to building what comes next.

🖥️
● LIVE
Mainframe Discovery
Upload a ZIP of COBOL, JCL and BMS source files. Get automatically generated business specs, risk scores, call graphs, and migration-ready documentation in minutes.
COBOL JCL BMS DB2 PDF export Excel export
◐ BETA
Legacy Auto-Upgrade
Automated COBOL-to-Java transformation. Generates Spring Boot services, JPA entities and unit tests directly from analysed Mainframe programs.
Code generation Spring Boot JPA JUnit
📊
○ SOON
DB Schema Migrator
Automated DB2 to PostgreSQL schema migration with data type mapping, constraint translation and rollback-safe data pipeline generation.
DB2 PostgreSQL ETL
🔍
○ SOON
Test Coverage Generator
Automatically generates JUnit test suites for migrated Java code using extracted business rules from Mainframe Discovery as the ground truth.
JUnit 5 Mockito Test gen
📋
○ SOON
Compliance Checker
Automated DSGVO, MaRisk and BAIT compliance scanning for enterprise Java and COBOL codebases. Generates audit-ready reports.
DSGVO MaRisk BAIT Audit
🔗
○ SOON
API Gateway Bridge
Expose Mainframe COBOL services as REST APIs without full migration. Zero downtime, CICS and MQ bridge with automatic OpenAPI documentation.
REST OpenAPI MQ bridge CICS
ilumeny.com mainframe-discovery.ilumeny.com · legacy-upgrade.ilumeny.com · db-migrator.ilumeny.com · and more coming...

From ZIP upload to
business specification

01

Upload your source archive

Zip your COBOL programs, JCL jobs, BMS maps, Copybooks and DB2 DDL files. Upload via the web UI or the REST API. No code changes, no agents to install.

02

Automated parsing and analysis of every module

The platform parses each file type, maps call dependencies, and analyses each program automatically. Business rules, SQL statements, field mappings, error handling — all extracted without manual effort.

03

Risk scoring and dependency graph

Every COBOL module receives a risk score (0–100) based on complexity, coupling, size and DB access patterns. A full dependency graph is rendered as PNG and interactive SVG.

04

Download PDF and Excel reports

Receive a multi-page PDF with 10-section business specifications per module — ready for stakeholder review, handover to Java teams, or compliance audit.

mainframe-discovery — analysis
$ curl -X POST /api/analysis/upload \
-F "file=@securities-system.zip" \
-F "name=Securities System v3"
 
→ Parsing 47 COBOL programs...
→ Parsing 12 JCL jobs...
→ Analysing dependencies...
→ Automated business rule extraction...
 
✓ Analysis complete in 84s
Programs: 47 (8 HIGH risk)
JCL Jobs: 12
Copybooks: 23
Avg score: 42.7
 
$ _

Built for enterprise trust

Every ilumeny product is designed to meet the compliance requirements of German banks, insurance companies and government organisations.

🇩🇪
Germany only
All servers hosted in Nuremberg and Falkenstein. Your data never leaves Germany.
🔒
DSGVO compliant
Full compliance with EU and German data protection law. DPA available on request.
🏗️
On-premise option
Every product is available as a Docker image for deployment on your own infrastructure.
🔑
JWT + role-based access
Secure authentication with ADMIN and CUSTOMER roles. Tokens expire after 24 hours.

Ready to illuminate
your Mainframe?

Start with Mainframe Discovery — no credit card required, no setup time. Upload a ZIP and get your first analysis in under 2 minutes.

Start your free 14-day trial
Questions? Write to hello@ilumeny.com