The best alternatives to LookFor are Twitter Bots, Peanut, and Backpack Chat. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of LookFor?
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Create Twitter bots that can auto-reply, retweet tweets, send DMs, follow users, add users to Twitter list, and more all without writing a single line of code.
Peanut makes it easy to meet, chat and learn from like-minded women. Swipe and connect with like-minded women nearby. Chat and create group conversations.
fsociety is powerfull tool which can be used outdoors (GPS) and in the future in-doors thanks to wi-fi based localization. You don't have to keep track where you parked your car, tent or where you lost your friends if they few battery cellphone percentage (developed with empathy for battery drain). Navigate or meet them at any event point