Ubervotebot is fast and easy to use! Both for you and people you send the poll to. The results can be shown in a number of different ways, please see the screenshots below.
Polls will look like this:
And results can look like this:
This project could not have happened without @yukuku's bot starter kit, go check it out.
There is no limit on the amount of polls you can create, but if you create too many, the /result command will not work. If that happens, you might want to try to delete an old poll.