Update Readme.md

journal/Readme.md

@@ -24,3 +24,7 @@ _My choice: Jupyter_
 
 ## Module 4:
 
+* workflow environments: [Galaxy](https://galaxyproject.org/learn/advanced-workflow/), [Kepler](https://kepler-project.org/), [Taverna](https://en.wikipedia.org/wiki/Apache_Taverna), 
+[Pegasus](https://pegasus.isi.edu/about/),[VisTrails](https://www.vistrails.org//index.php/Main_Page), [Collective Knowledge](https://ck.readthedocs.io/en/v2.5.8/src/first-steps.html).
+
+Noted: [GUIX](https://guix.gnu.org/)
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