eXplain

eXplain

PKS Software
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About

CoreStory is a code-intelligence platform that uses AI to analyze enterprise codebases and uncover the embedded business logic, architectural structure, and technical dependencies hidden within legacy systems. It breaks down complex applications using recursive decomposition and recomposition to generate a fully queryable intelligence model encompassing business requirements, business rules, workflows, system design, and code-level insights. With real-time interactive access, teams can ask questions of their code, explore entry-points, trace dependencies, and view architecture diagrams to accelerate tasks such as legacy app modernization, application maintenance, AI-generated code governance, and developer onboarding. The platform supports injection via API/MCP into critical engineering systems, enabling visual dashboards like business-process explorer, architecture explorer, and code entry-point explorer.

About

eXplain is a specialized code-analysis and legacy-system evaluation tool from PKS Software GmbH, designed to deeply analyze, map, document, and assess legacy applications, especially on mainframe platforms such as IBM i (AS/400) and IBM Z, so organizations can understand what lives in their software, how it’s structured, and what parts are worth keeping, refactoring or retiring. It imports existing source code into an independent “eXplain server”, no need to install anything on the host system, then uses advanced parsers to examine languages like COBOL, PL/I, Assembler, Natural, RPG, JCL, and others, along with data about databases (Db2, Adabas, IMS), job-schedulers, transaction monitors, and more. eXplain builds a central repository that becomes a knowledge hub; from there, it generates cross-language dependency graphs, data-flow maps, interface analyses, clusterings of related modules, and detailed object-and-resource usage reports.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Large enterprises and software engineering organizations wanting a tool to maintain or modernize complex legacy codebases by turning hidden architecture and logic into actionable insights

Audience

IT organizations, architects, and software-maintenance teams seeking a tool to modernize, refactor, or safely retire legacy systems

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

CoreStory
United States
corestory.ai/

Company Information

PKS Software
Founded: 1991
Germany
www.pks.de/en/kompetenzen/software-analyse-explain

Alternatives

Alternatives

HelpXplain

HelpXplain

Help+Manual
Understand

Understand

SciTools
SMART TS XL

SMART TS XL

IN-COM Data Systems
Velx

Velx

Devsu

Categories

Categories

Integrations

C Not Supported
C++ Not Supported
COBOL Not Supported
HTML Not Supported
IBM Db2 Not Supported
IBM Power Servers Not Supported
IBM Z Not Supported
IBM i Not Supported
Java Not Supported
PostgreSQL Not Supported
Rexx Systems Not Supported
SQL Not Supported

Integrations

C Supported
C++ Supported
COBOL Supported
HTML Supported
IBM Db2 Supported
IBM Power Servers Supported
IBM Z Supported
IBM i Supported
Java Supported
PostgreSQL Supported
Rexx Systems Supported
SQL Supported
Claim CoreStory and update features and information
Claim CoreStory and update features and information
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