The best replacement for gevent is twisted.

The best alternatives to gevent are rated as following:
★★★★★  twisted
★★★★★  tornado
★★★★  gunicorn
★★★★  uwsgi
★★★★  asyncio
★★★  eventlet
★★  greenlet
★★  multiprocessing
★  tulip

Your alternative for gevent is not listed? Suggest!
Speaking about gevent, one probably shouldn't forget about gunicorn.

Other search terms related to gevent and their ratings are:
★★★★★ gunicorn
You have in mind a companion for gevent and it is not yet here? Propose!



Google Trends

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gevent
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