Cylc: a general purpose workflow engine with a gift for cycling

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

Laverna is a JavaScript note taking application with Markdown editor and encryption support. Consider it like open source alternative to Evernote.

📅 ⌚ Python ISO 8601 date time parser and data model/manipulation utilities

🔨 FCM: a modern Fortran build system + wrappers to Subversion for scientific software development

🌹 Rose is a toolkit for writing, editing and running application configurations.

A powerful, format-agnostic, and community-driven Python package for analysing and visualising Earth science data

The cylc forecast suite metascheduler