Repositories list

• cwltest

  Public
  Framework for testing CWL tools and workflows

  common-workflow-languagecwl

  common-workflow-languagecwl

  Python

  •

  Apache License 2.0

  •1919 forks in common-workflow-language/cwltest•2020 stars in common-workflow-language/cwltest•1414 issues in common-workflow-language/cwltest•22 pull requests in common-workflow-language/cwltest•Updated Oct 22, 2026Oct 22, 2026

• cwltool

  Public
  Common Workflow Language reference implementation

  sciencecontainerscommon-workflow-language+ 4

  sciencecontainerscommon-workflow-languagecwlworkflowscommonwlsciworkflows

  Python

  •

  Apache License 2.0

  •254254 forks in common-workflow-language/cwltool•376376 stars in common-workflow-language/cwltool•452452 issues in common-workflow-language/cwltool•4747 pull requests in common-workflow-language/cwltool•Updated Oct 22, 2026Oct 22, 2026

• schema_salad

  Public
  Semantic Annotations for Linked Avro Data

  Python

  •

  Apache License 2.0

  •6060 forks in common-workflow-language/schema_salad•8686 stars in common-workflow-language/schema_salad•7979 issues in common-workflow-language/schema_salad•1313 pull requests in common-workflow-language/schema_salad•Updated Oct 22, 2026Oct 22, 2026

• cwl-utils

  Public
  Python utilities for CWL

  common-workflow-languagecwlcommonwl

  common-workflow-languagecwlcommonwl

  Python

  •

  Apache License 2.0

  •3131 forks in common-workflow-language/cwl-utils•4343 stars in common-workflow-language/cwl-utils•2828 issues in common-workflow-language/cwl-utils•1616 pull requests in common-workflow-language/cwl-utils•Updated Oct 22, 2026Oct 22, 2026

• cwlviewer

  Public
  A web application to view and share Common Workflow Language workflows

  javaworkflowcommon-workflow-language+ 2

  javaworkflowcommon-workflow-languagecwlworkflows

  Java

  •

  Apache License 2.0

  •2929 forks in common-workflow-language/cwlviewer•5252 stars in common-workflow-language/cwlviewer•5757 issues in common-workflow-language/cwlviewer•55 pull requests in common-workflow-language/cwlviewer•Updated Oct 21, 2026Oct 21, 2026

• cwljava

  Public
  Java SDK for the Common Workflow Language standards

  javacwlcommonwl

  javacwlcommonwl

  Java

  •88 forks in common-workflow-language/cwljava•1616 stars in common-workflow-language/cwljava•77 issues in common-workflow-language/cwljava•00 pull requests in common-workflow-language/cwljava•Updated Oct 21, 2026Oct 21, 2026

• common-workflow-language.github.io

  Public
  GitHub pages source for the main CWL website, please send PRs to https://github.com/common-workflow-language/cwl-website

  HTML

  •66 forks in common-workflow-language/common-workflow-language.github.io•44 stars in common-workflow-language/common-workflow-language.github.io•00 issues in common-workflow-language/common-workflow-language.github.io•00 pull requests in common-workflow-language/common-workflow-language.github.io•Updated Oct 7, 2026Oct 7, 2026

• cwl-website

  Public
  www.commonwl.org

  common-workflow-languagecwl

  common-workflow-languagecwl

  JavaScript

  •

  Apache License 2.0

  •2323 forks in common-workflow-language/cwl-website•1010 stars in common-workflow-language/cwl-website•1919 issues in common-workflow-language/cwl-website•44 pull requests in common-workflow-language/cwl-website•Updated Oct 7, 2026Oct 7, 2026

• cwl-upgrader

  Public
  Upgrade CWL syntax to a newer version

  cwlcommonwl

  cwlcommonwl

  Python

  •

  Apache License 2.0

  •44 forks in common-workflow-language/cwl-upgrader•77 stars in common-workflow-language/cwl-upgrader•1010 issues in common-workflow-language/cwl-upgrader•22 pull requests in common-workflow-language/cwl-upgrader•Updated Oct 6, 2026Oct 6, 2026

• user_guide

  Public
  The CWL v1.0 - v1.2 user guide

  workflowcommon-workflow-languagecwl+ 1

  workflowcommon-workflow-languagecwlworkflows

  Common Workflow Language

  •

  Other

  •6565 forks in common-workflow-language/user_guide•4242 stars in common-workflow-language/user_guide•7373 issues in common-workflow-language/user_guide•1919 pull requests in common-workflow-language/user_guide•Updated Oct 6, 2026Oct 6, 2026

• cwlprov-py

  Public
  cwlprov: Command line tool and Python API to explore Research Objects containing provenance of Common Workflow Language executions

  pythonprovenancecwl+ 3

  pythonprovenancecwlbagitresearch-objectprov

  Python

  •

  Apache License 2.0

  •44 forks in common-workflow-language/cwlprov-py•55 stars in common-workflow-language/cwlprov-py•22 issues in common-workflow-language/cwlprov-py•11 pull request in common-workflow-language/cwlprov-py•Updated Oct 5, 2026Oct 5, 2026

• cwl-v1.3

  Public
  workflow

  workflow

  Common Workflow Language

  •

  Apache License 2.0

  •55 forks in common-workflow-language/cwl-v1.3•66 stars in common-workflow-language/cwl-v1.3•3535 issues in common-workflow-language/cwl-v1.3•55 pull requests in common-workflow-language/cwl-v1.3•Updated Sep 21, 2026Sep 21, 2026

• cwl-v1.2

  Public
  Released CWL v1.2.1 specification

  workflow

  workflow

  Common Workflow Language

  •

  Apache License 2.0

  •2929 forks in common-workflow-language/cwl-v1.2•4545 stars in common-workflow-language/cwl-v1.2•4747 issues in common-workflow-language/cwl-v1.2•33 pull requests in common-workflow-language/cwl-v1.2•Updated Sep 20, 2026Sep 20, 2026

• cwl-v1.1

  Public
  Current stable CWL v1.1 specification

  workflowcwl

  workflowcwl

  Common Workflow Language

  •

  Apache License 2.0

  •1313 forks in common-workflow-language/cwl-v1.1•88 stars in common-workflow-language/cwl-v1.1•00 issues in common-workflow-language/cwl-v1.1•66 pull requests in common-workflow-language/cwl-v1.1•Updated Sep 20, 2026Sep 20, 2026

• common-workflow-language

  Public
  Repository for the CWL standards. Use https://cwl.discourse.group/ for support 😊

  scienceworkflowcontainers+ 5

  scienceworkflowcontainerscommon-workflow-languagecwlworkflowscommonwlsciworkflows

  Common Workflow Language

  •

  Apache License 2.0

  •189189 forks in common-workflow-language/common-workflow-language•1.5k1.5k stars in common-workflow-language/common-workflow-language•220220 issues in common-workflow-language/common-workflow-language•2121 pull requests in common-workflow-language/common-workflow-language•Updated Sep 20, 2026Sep 20, 2026

• workflow-service

  Public
  Implementation of the GA4GH Workflow Execution Service, a REST service for running workflows

  python

  python

  Python

  •

  Apache License 2.0

  •2121 forks in common-workflow-language/workflow-service•3939 stars in common-workflow-language/workflow-service•2727 issues in common-workflow-language/workflow-service•55 pull requests in common-workflow-language/workflow-service•Updated Apr 13, 2026Apr 13, 2026

• cwldep

  Public
  Common Workflow Language dependency manager

  Python

  •

  Apache License 2.0

  •33 forks in common-workflow-language/cwldep•1212 stars in common-workflow-language/cwldep•00 issues in common-workflow-language/cwldep•00 pull requests in common-workflow-language/cwldep•Updated Sep 17, 2025Sep 17, 2025

• governance

  Public
  Holds public material generated by and for the CWL board.

  cwl

  cwl

  HTML

  •33 forks in common-workflow-language/governance•44 stars in common-workflow-language/governance•66 issues in common-workflow-language/governance•11 pull request in common-workflow-language/governance•Updated May 22, 2024May 22, 2024

• cwlcon2024

  Public
  Website for the 2024 CWL Conference

  HTML

  •

  GNU General Public License v3.0

  •00 forks in common-workflow-language/cwlcon2024•11 star in common-workflow-language/cwlcon2024•1111 issues in common-workflow-language/cwlcon2024•00 pull requests in common-workflow-language/cwlcon2024•Updated May 15, 2024May 15, 2024

• w3id.org

  Public
  Website source code for w3id.org

  HTML

  •2.1k2.1k forks in common-workflow-language/w3id.org•00 stars in common-workflow-language/w3id.org•00 issues in common-workflow-language/w3id.org•00 pull requests in common-workflow-language/w3id.org•Updated Apr 5, 2024Apr 5, 2024

• cwlprov

  Public
  Profile for provenance research object of a CWL workflow run

  workflowlinked-datardf+ 6

  workflowlinked-datardfprovenancecwlbagitresearch-objectprovcwlprov

  Apache License 2.0

  •44 forks in common-workflow-language/cwlprov•2020 stars in common-workflow-language/cwlprov•33 issues in common-workflow-language/cwlprov•11 pull request in common-workflow-language/cwlprov•Updated Dec 20, 2022Dec 20, 2022

• .github

  Public
  Default community health files for the CWL project

  Apache License 2.0

  •11 fork in common-workflow-language/.github•33 stars in common-workflow-language/.github•00 issues in common-workflow-language/.github•00 pull requests in common-workflow-language/.github•Updated Oct 17, 2022Oct 17, 2022

• media

  Public
  CWL logo source

  cwl

  cwl

  Other

  •22 forks in common-workflow-language/media•55 stars in common-workflow-language/media•22 issues in common-workflow-language/media•00 pull requests in common-workflow-language/media•Updated Dec 10, 2021Dec 10, 2021

• acd2cwl

  Public archive
  CWL generator for ACD (EMBOSS) files

  commonwl

  commonwl

  Python

  •

  MIT License

  •11 fork in common-workflow-language/acd2cwl•33 stars in common-workflow-language/acd2cwl•00 issues in common-workflow-language/acd2cwl•11 pull request in common-workflow-language/acd2cwl•Updated Apr 29, 2021Apr 29, 2021

• pypi2cwl

  Public
  python

  python

  Python

  •

  Other

  •11 fork in common-workflow-language/pypi2cwl•11 star in common-workflow-language/pypi2cwl•00 issues in common-workflow-language/pypi2cwl•00 pull requests in common-workflow-language/pypi2cwl•Updated Apr 29, 2021Apr 29, 2021

• cwl2argparse

  Public
  cwl2argparse generates an argparse definition from CWL tool arguments that can be pasted in a Python program and used

  Common Workflow Language

  •

  Apache License 2.0

  •44 forks in common-workflow-language/cwl2argparse•1010 stars in common-workflow-language/cwl2argparse•00 issues in common-workflow-language/cwl2argparse•00 pull requests in common-workflow-language/cwl2argparse•Updated Apr 29, 2021Apr 29, 2021

• for_decision_makers

  Public
  One page CWL explainer for Business/policy decision makers

  Apache License 2.0

  •11 fork in common-workflow-language/for_decision_makers•11 star in common-workflow-language/for_decision_makers•11 issue in common-workflow-language/for_decision_makers•00 pull requests in common-workflow-language/for_decision_makers•Updated Jul 2, 2020Jul 2, 2020

• for_novices

  Public
  One page CWL explainer for workflow novices

  22 forks in common-workflow-language/for_novices•11 star in common-workflow-language/for_novices•22 issues in common-workflow-language/for_novices•00 pull requests in common-workflow-language/for_novices•Updated Jul 2, 2020Jul 2, 2020

• GSoD-proposals-2019

  Public
  Apache License 2.0

  •11 fork in common-workflow-language/GSoD-proposals-2019•11 star in common-workflow-language/GSoD-proposals-2019•00 issues in common-workflow-language/GSoD-proposals-2019•00 pull requests in common-workflow-language/GSoD-proposals-2019•Updated Jul 2, 2020Jul 2, 2020

• conformance

  Public
  Location to store the results of CWL conformance testing

  Apache License 2.0

  •11 fork in common-workflow-language/conformance•11 star in common-workflow-language/conformance•00 issues in common-workflow-language/conformance•00 pull requests in common-workflow-language/conformance•Updated Jul 2, 2020Jul 2, 2020