Myetherwallet is the most common and easiest wallet to use. The only problem of all wallets is that you have to keep the key safe, because when you let others know, you have no way to change it.
After hacking issue has been confirmed from the various people who ever using the MEW turned to other promising wallets and exchange wallets directly
If you want to keep your myetherwallet safe then you can connect it to metamask for more security. Then you can use the metamask directly as well. Then mist, Jaxx and coinbase seems widely used ethereum wallets.