DDI Tools

There are many tools available to help you work with DDI, from authoring and editing to data transformations and conversions. They've been developed independently by a variety of organizations within the global DDI community: Commercial, governmental, and academic. 

How to Submit a Tool

If you have a tool that you would like to share on the DDI Alliance website, please read more about our submission process.

Find a Tool 

You can browse the full list of tools below or filter the list according to your needs using the fields below. There are three main categories of tools: Software, software components, and stylesheets.

Comments or suggestions?

Name Version(s) supported Availability Description Purpose
CED2AR 2.5 In production

CED2AR (pronounced as cedar), or the Comprehensive Extensible Data Documentation and Access...

Editor, Index/Search, Store
Colectica Designer 1.x, 2.0, 2.1, 2.5, 3.1, 3.2 In production

Colectica Designer is a visual DDI metadata editor and survey questionnaire designer. It...

Conversion among DDI, DDI from software, Editor, Index/Search, Questionnaire design
Colectica for Excel 3.1, 3.2 In production

Colectica for Microsoft Excel is a free tool to document your spreadsheet data using the open...

DDI from software, Editor, Transformation
Colectica Portal 3.1, 3.2 In production

Colectica Portal is a web application, powered by Colectica Repository, which enables data and...

Index/Search, Store
Colectica Repository 3.1, 3.2 In production

Colectica Repository is a centralized storage system for managing DDI data resources, enabling...

Index/Search, Store
Colectica Resolver 3.1, 3.2 Unknown

Colectica DDI Resolver is a DNS-based resolution service for DDI3 agency identifiers and related...

Resolution service
Colectica Resolver Library 3.1, 3.2 Unknown

The Colectica DDI Resolver Library makes it easy to integrate DNS-based data resolution...

Resolution service
DBKfree 1.x, 2.0, 2.1 In production

The Data Catalogue (DBK) of the GESIS Data Archive holds study descriptions of all archived...

Editor, Index/Search, Store
DDI 3.0 Core 3.0 Unknown

Recommended elements, formerly DDI Lite

Conversion among DDI
DDI 3.0 Editor-Lite 3.0 No longer developed, but still available

An authoring tool produced by ICPSR that supports the production of DDI 3.0 Instances. It...

Editor
DDI Data Description Statistics Protection Software 2.0, 2.1, 2.5 Beta release

It is a tool which enables easy anonymization processes of DDI standard univariate statistics....

DDI aggregated data protection
DDI DExT 2.1, 3.0 No longer developed, but still available

Tool to import data and DDI metadata from SPSS files with conversion to ASCII and re-export...

Editor
DDI Index 2.1 Unknown

DDI Index is a Java/Javascript application that provides indexing and searching of XML files...

Index/Search
DDI to DDL 2.1 Unknown

SDA provides an online DDI to DDL Conversion Service. You can upload DDI files from your...

Crosswalks
DDI to HTML Stylesheet 2.0 No longer developed, but still available

A tool to transform and format content of DDI documents as HTML pages.

Transformation
DDI Tools Made Available by the SDA Project 2.1 In production

An online analysis system that provides tools to create DDI 2.

Collection of tools
DDI Validator 2.0, 2.1, 3.1 Beta release

Online schema validation of DDI-Lifecycle and DDI-Codebook (2.1) and 2.5 later on.

Transformation
DDI-XSLT 2.1, 3.1 Alpha release

A collection of xslt-stylesheets for DDI for transformation the metadata to other formats....

Crosswalks, Transformation
DdiEditor 3.1 In production

The DdiEditor is the key tool in a framework of data processing tools and processes composing...

Editor
DDIProfileXSLT 3.1, 3.2 In production

DDI31GenerateProfile.xslt and DDI32GenerateProfile.xslt create a DDI Profile template on the...

Creates and renders DDI Profiles
Microdata Cataloging Tool (NADA) 1.x, 2.0, 2.1, 2.5 In production

...

Web-based cataloging system
queXML 2.1 Unknown

queXML is a simple XML schema for designing questionnaires. Included are stylesheets to...

Questionnaire design
SledgeHammer 1.x, 2.0, 2.1, 2.5, 3.1, 3.2 In production

Turn your data into open data! SledgeHammer is a powerful tool that facilitates the...

Conversion among DDI, DDI from software, Transformation, Summary Statistics, Open Data Packaging
XCONVERT 2.1 Unknown

A tool to convert SAS, SPSS, and Stata data definitions to DDI. The XCONVERT documentation also...

DDI from software
XML Beans for DDI 1/2.x 1.x, 2.0 No longer developed, but still available

Apache XMLBeans packages for DDI 1.0, 1.1, 1.2, 1.2.1, 1.2.2, 1.3, 2.0 and 2.1. XMLBeans is a...

DDI from software
XML Beans for DDI 3.0 3.0 No longer developed, but still available

Apache XMLBeans packages for DDI 3.0. XMLBeans is a technology for accessing XML by binding it...

DDI from software