Totaly free intamate adult dating
This site also has a mobile app available for free.
Plenty of Fish works to set you up with other members you're likely to be compatible with based on a chemistry test.
It has social networking aspects such as a blog and an add a friend feature. OKCupid allows users to create an individual matching system in order to find the most compatible singles.
Users can take over a dozen quizzes and answer hundreds of questions on everything from whether or not they believe in love at first sight, to questions about values and morals, to really narrow down their matches.
All of the sites listed here are free to browse, to set up a profile, and to communicate with others via message or email -- whether you initiate the contact or the other person does.
You can browse anyone's profile without even logging in to the site, and most of them are brief in text and short on information.
My first recommendation would be to try Lavalife's Intimate Encounters section; you sign up with them and then decide which of the three sections you want to be a part of (Dating, Relationships or Intimate Encounters).
You can use different handles in each section under the same account too, so no one will be any wiser if you want to advertise for one thing in one place without ruining your chances for something more should it come up.
Good sites can go bad, and those I don't recommend may improve.
Of course, new sites will debut that may or may not be of merit.