Friendica - Decentralisation - Privacy - Interoperability
Hinge - Find people you want to date through your friends on Facebook.
Gab - Gab is an ad-free social network dedicated to free speech.
Bumble - Bumble is a social network that allows you to feel empowered while you make those connections, whether you’re dating, looking for friends, or growing your professional network. One first move on Bumble could change your life.
Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
Tinder - Tinder is how people meet. It's like real life, but better.