FREE

OL Code

Modern web-based IDE for legacy code development. Edit, search, compile, and manage COBOL, RPG, and other legacy languages with enterprise-grade tools.

✓No license required

✓On-premise installation

OpenLegacy Code - AI-Powered Legacy Code Editor and Compiler

Modern IDE for Legacy Languages

Professional development environment with all the tools you need

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AI Assistant

Use the AI assistant to generate code, refactor, and improve your code.

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Advanced Code Search

Powerful search across COBOL and RPG codebases with intelligent filtering

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Smart Code Editor

Syntax highlighting, autocomplete, and modern editing features for legacy languages

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Integrated Compilation

Compile and download code directly from the web interface

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Compilation Templates

Create and edit Templates for code compilation jobs

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Testing & Analysis

Code analysis, testing capabilities, and dependency mapping with OpenLegacy Hub

Supported Languages

Full support for major legacy programming languages and frameworks

COBOL (all dialects)

RPG/RPG II/RPG III/RPG IV

JCL (Job Control Language)

CICS programs

Key Capabilities

Everything you need for productive legacy development

✓Full-text search across codebase

✓Cross-reference analysis

✓Code refactoring tools

✓API generation from code

✓Code analysis and testing

✓Dependency mapping with OpenLegacy Hub

✓Screen modernization with Screen-to-RPC conversion

✓Admin console with live logs and active-user monitoring

Prerequisites

Ensure you have the necessary requirements before getting started with OL Code

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Installation Options

Choose one of the following installation methods:

☕ Java Installation

Java 17 or higher, installed and configured as JAVA_HOME. Supported on any operating system (server or desktop) that runs Java 17.

🐳 Docker Installation

Docker installed and running.

🖥️ Mainframe Installation

Deploy directly on z/OS mainframe environments.

🖥️ AS/400 / IBM i Installation

Deploy directly on AS/400 / IBM i environments.

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Network & System Access

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License

Valid OpenLegacy Community application license (available under your user profile)

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TCP/IP Connectivity

Connectivity to your Mainframe or AS/400

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System Details

IP/hostname and port of your legacy system

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System Requirements

AS/400: Ensure the server is running with administrator privileges.

STRTCPSVR SERVER(*ALL)

Mainframe: Ensure the RSE API is running.

Reference: IBM Explorer for z/OS

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Credentials

User ID and password with development permissions to connect to your legacy system.

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Browser

Latest version of Chrome, Edge, Safari, or Firefox.

Supercharge with OpenLegacy Hub

Connect OL Code to OpenLegacy Hub for advanced testing, code analysis, dependency mapping, and automatic API generation from your legacy code.