Meeting someone who is as into bondage and BDSM as you are can be difficult.

Fetster.com

100% free BDSM dating, kink, fetish, bondage, and fetish on bringing BDSM together without limits, whether you are dating, curious, or looking for something new.

KNKI

Finally you can have your kinky cake and eat it too. KNKI is a BDSM dating app that lets you filter members to your exact specifications so you can easily find that perfect play partner, while at the same time making new lifestyle friends and keeping up with your entire kinky social network.

Say goodbye to vanilla dating apps & social networking sites
KNKI is not just another hookup app like Tinder or OKCupid, KNKI is the first BDSM adult dating and chat app to give you full social media capabilities. Use KNKI app to flirt, follow your friends’ activities, search hashtags, and comment on their latest fetishes and kinky photos. Unlike mainstream social networks you don’t have to worry about your vanilla friends perving your profile or commenting on your kinks.

bdsmpassions.com

A free online dating & social networking community site for singles into BDSM. Are you looking to meet others into dominant / submissive roleplay? If you enjoy bondage and discipline,or your relationships typically involve some elements of sadism and masochism, then BDSM Passions is the site for you. Sign up and enjoy free BDSM personals, BDSM chat, message boards & email features.

BDSM is (and always should be) 100% consensual between two or more adults. Since domination and submission are key components in BDSM roleplay, all members are HIGHLY encouraged to limit any activity to only those people they have developed trust with. BDSM Passions encourages members to only engage in SSC (Safe, Sane & Consensual) behavior. Do not put yourself at risk. Please play safe, and always have a safeword defined ahead.

bondagepal.com

Bondage Pal is a 100% FREE fetish lifestyle and BDSM dating site. We are one of a very select few ALT sites that are ethical, genuine and truly free. Many websites claim to be free but when you join you only have a limited number of functions. We are 100% free, there is not even an option to upgrade and there is no credit card payment system. We cover our costs via adverts within the site so we don’t have to charge you anything to be a member. Please engage with our adverts and don’t forget it is these adverts that allow our site to be free.

http://www.slavecafe.com/

More of an adult dating site than BDSM per say, SexyAds does offer some functionality for alternatively-minded folks too. Note that the default for all new, unpaid users is “good”, where you can only look at tame photos. View all the “wicked” pictures by upgrading and paying for a membership. More »

DomSubFriends

A networking group for BDSM singles in the New York area. Only open to those over the age of 18. A great, safe way of meeting other BDSM lovers, but it’s only available to a niche location.

Fetish Date

Not just for singles looking to meet other singles in the BDSM lifestyle, but also couples wanting new partners to share, or just folks looking for good conversation and answers to their questions. More »

BDSM Singles

The site focuses primarily on the US. A racy front page welcomes BDSM singles from all over the world, but no ability to read the site’s policies and procedures without signing up first, which is concerning, but give it a try.