List installed packages, including editables.

python -m pip list

Options  
-o, --outdated  
    List outdated packages  
-u, --uptodate  
    List uptodate packages  
-e, --editable  
    List editable projects  
-l, --local  
    If in a virtualenv that has global access,  
    do not list globally-installed packages  
--format <list_format>  
    Select the output format among: columns  
    (default), freeze, or json