We use MailJet.

It's very easy to use. 

The best feature that I love, is that you can filter and export Only Opened mail lists from your campaigns.

And also their prices are good.

You can read reviews of MailJet here.

Aweber and Convert Kit are great for the price, I know of a few people who use those as the main alternatives to MailChimp. I also remember someone mentioning that Campaign Monitor is one to avoid because it's expensive and isn't any better than the alternatives.

Campaign Monitor is my email marketing platform - costs me about $12 per month, no coding in required and the templates look lovely on desktop and mobile. You can also build sequences and do a bunch of other things. It's a great choice for SMEs.

I'd suggest checking out Email Octopus, https://emailoctopus.com/ 
I don't personally use them, but their pricing and product are impressive. There are of course many other alternatives, but when using MailChimp as a direct comparison, I think this has a lot going for it.