New updates have rolled out features like the "Super Like" and have put things like your job and education on the front of your profile.
Download Tinder (i OS, Android) Bumble works like Tinder, you swipe yes/no on a series of matches.
With an (estimated) 35 million unique monthly users, has the largest active membership of all the dating sites out there - and for good reason, however with some caveats: it's geared more towards folks looking for long term relationships, you'll want to carefully craft your profile to focus on such, and make sure you carefully review all emails for potential romance scams, as Match seems to attract more than their fair share of mysterious strangers trapped in Nigeria.
More » The largest of the free dating sites, POF boasts an (estimated) 23 million unique members using the site every month.
Download Coffee Meets Bagel (i OS, Android) Ok Cupid uses a comprehensive profile and a series of questions to determine what "percentage" you'll match with someone.