X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

PenPal World - Connect with people all over the world

Botometer for Twitter - Intelligence tool to check if a Twitter account is a bot

Unbordered - Unbordered app comes up with features to help you in finding the perfect language practice and exchange partners so you can practice foreign languages right through your mobile phone.

Thread Reader - A bot 🤖 that unrolls Twitter 🐣 threads for you 🤓

Anygram - Anygram app offers features that let you meet new people so you can make new foreign friends practice native languages to learn something new.