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CWL standards development discussion and announcements. Question about writing or using CWL? Try or the support forum for your implementation of choice.

The Common Workflow Language (CWL) is an informal, multi-vendor working group consisting of various organizations and individuals that have an interest in portability of data analysis workflows.  Our goal is to create specifications that enable data scientists to describe analysis tools and workflows that are powerful, easy to use, portable, and support reproducibility.  CWL can be used to describe workflows for a variety of problem areas including data-intensive science like bioinformatics, physics, and astronomy; and business analytics such as log analysis, data mining, and ETL.

Specifications, conformance tests, and reference implementation code are developed at

To receive calendar invitations for our video chats, sign up at!forum/common-workflow-language-videochat-invites

This group was born out of the BOSC 2014 codefest.