Common Workflow Language project

cwltool_service

Last released Sep 16, 2015

Common workflow language runner service

cwlref-runner

Last released Jul 7, 2016

Common workflow language reference implementation

cwltest

Last released Jan 7, 2026

Common Workflow Language testing framework

cwl-upgrader

Last released Dec 21, 2025

Upgrade a CWL tool or workflow document from one version to another

cwltool

Last released Jan 8, 2026

Common workflow language reference implementation

schema-salad

Last released Nov 2, 2025

Schema Annotations for Linked Avro Data (SALAD)

cwldep

Last released Jun 30, 2018

Common workflow language dependency manager

cwlprov

Last released Jan 29, 2026

cwlprov API for Python

cwl-utils

Last released Sep 9, 2025

None

cwl_runner

Last released Jun 26, 2015

Common workflow language reference implementation