How to download and setup a2wsgi
Open terminal and run command
                                            git clone https://github.com/abersheeran/a2wsgi.git
                                        
                                        git clone is used to create a copy or clone of a2wsgi repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with a2wsgi https://github.com/abersheeran/a2wsgi/archive/master.zip
Or simply clone a2wsgi with SSH
                                            [email protected]:abersheeran/a2wsgi.git                                    
                                    If you have some problems with a2wsgi
You may open issue on a2wsgi support forum (system) here: https://github.com/abersheeran/a2wsgi/issuesSimilar to a2wsgi repositories
Here you may see a2wsgi alternatives and analogs
flask falcon WebCore gunicorn werkzeug pyramid pulsar wsgidav aiohttp-wsgi serverless-wsgi Zope clastic netius appier assimilator uwsgiconf kobin cheroot bustard sanic-dispatcher indiepaper pulsar-django python-wsgi-benchmark httoop WebDispatch prestans wsgi-basic-auth plaster gyr dive-in-Flask