cylc-flow

Cylc (pronounced silk) is a general purpose workflow engine that specialises in cycling workflows and has strong scaling characteristics.

Cylc was originally developed to meet the challenges of production weather forecasting - which is notorious for the size and complexity of its workflows.

Citations & Publications

Cylc 7 (legacy)

• HTTPS network layer.
• PyGTK GUI.
• On the 7.8.x branch in the source code.
• 7.8 - Python 2.6
• 7.9 - Python 2.7

Installation | Documentation

Cylc 8 (production)

• ZMQ (TCP) network layer.
• Text-based terminal user interface (TUI).
• Optional web-based graphical user interface (GUI) provided by (cylc-uiserver).
• On the master branch in the source code.

Cylc 8 is now production-ready.

Installation | Documentation

Copyright and Terms of Use

Copyright (C) 2008-2022 NIWA & British Crown (Met Office) & Contributors.

Cylc is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Cylc is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Cylc. If not, see GNU licenses.

Contributing

Contributions welcome:

• Read the contributing page.
• Development setup instructions are in the developer docs.
• Involved change proposals can be found in the admin pages.
• Touch base in the developers chat.