ToT: ThisOrThat - Let your friends choose this or that for you
WordUp App - Discover the smartest app for learning English vocabulary, improving pronunciation, and excelling in exams like IELTS and TOEFL. Start exploring WordUp today.
sup - The first creep-free way to see nearby friends
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Mu4e - Starting with version 0.9.8, mu provides an emacs-based e-mail client which uses mu as its back-end: mu4e.
1up Events - Corporate events as a service