Massage Exchange is a international massage exchange community where you can find a massage partner in order to get a free massage. There are separate sections for Therapeutic and Sensual massage and many people happy to 'give' or 'receive' only.
It is free to create an account and to be listed you can then browse other members profiles. Members with a subscription can contact you but for you to contact others you will need a subscription.
There are, perhaps unsurprisingly, many more male than female members on the site so it is ideal if you are looking for male to male massage.
As with any community or dating site you should always exercise caution when communicating and meeting with other members. While the majority of site members are genuine, there is a small minority who are not who they say they are. Don't share too many personal details or intimate pictures, meet in a public place first and let someone know where you are going when arrange to meet some one for the first time.
With those caveats said, take a look at Massage Exchange and happy massaging.