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.
Archivist is an easy to use editor that allows documention of questionnaires including routing...
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...
|Colectica Questionnaires||3.2, 3.3||In production||
Colectica Questionnaires is a survey specification creator. Surveys designed with Colectica...
|Colectica Repository||3.1, 3.2, 3.3||In production||
Colectica Repository is a centralized storage system for managing DDI data resources, enabling...
|Colectica Resolver||3.1, 3.2, 3.3||Unknown||
Colectica DDI Resolver is a DNS-based resolution service for DDI3 agency identifiers and related...
|Colectica Resolver Library||3.1, 3.2, 3.3||Unknown||
The Colectica DDI Resolver Library makes it easy to integrate DNS-based data resolution...
|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 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-XSLT||2.1, 3.1||Alpha release||
A collection of xslt-stylesheets for DDI for transformation the metadata to other formats....
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|
The French National Institute of Statistics and Economic Studies (Insee) has developed a...
|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...
|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 is a questionnaire design visual tool that produces the DDI description of the...
queXML is a simple XML schema for designing questionnaires. Included are stylesheets to...
A tool to convert SAS, SPSS, and Stata data definitions to DDI. The XCONVERT documentation also...
|DDI from software|