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.

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Name Version(s) supported Availability Description Purpose
Archivist 3.2 In production

Archivist is an easy to use editor that allows documention of questionnaires including routing...

Questionnaire editor
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, 3.3 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, 3.3 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, 3.3 In production

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

Index/Search, Store
Colectica Questionnaires 3.2, 3.3 In production

Colectica Questionnaires is a survey specification creator. Surveys designed with Colectica...

Questionnaire designer
Colectica Repository 3.1, 3.2, 3.3 In production

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

Index/Search, Store
Colectica Resolver 3.1, 3.2, 3.3 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, 3.3 Unknown

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

Resolution service
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...

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...

DDI Index 2.1 Unknown

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

DDI to DDL 2.1 Unknown

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

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. 


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 with R 2.5 In production


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...

DDIProfileXSLT 3.1, 3.2 In production

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

Creates and renders DDI Profiles
Eno 3.3 In production

The French National Institute of Statistics and Economic Studies (Insee) has developed a...

Questionnaire Generator
EpiData Software 3.1 In production

EpiData is a software package which allows data definitions, data documentation , data...

GESIS DDI Search 3.2 Beta release

The DDI Search enables search and browse for questions, variables and study documentation in...

GESIS Questionnaire Editor (QEditor) 3.2 Beta release

The QEditor enables anybody to primarily create questionnaires, which are stored nativly in DDI...

Questionnaire editor
Microdata Cataloging Tool (NADA) 1.x, 2.0, 2.1, 2.5 In production

NADA is a web-based cataloging system that serves as a portal for researchers to browse, search...

Web-based cataloging system
Pogues 3.3 In production

Pogues is a questionnaire design visual tool that produces the DDI description of the...

Questionnaire designer
QDDT 3.2 In production


Questionnaire designer
queXML 2.1 Unknown

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

Questionnaire design
StatConverter 2.5 In production


Conversion among DDI
XCONVERT 2.1 Unknown

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

DDI from software