JustRSVP.me - Online Invitations and response tracking for weddings, baby showers, birthdays, parties, and other...
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.
Synonymful - Improve your vocabulary and communicate like a pro.
Evite - Send online invitations for all occasions by email or text message. Create invites for birthdays, baby showers, save the dates, or customize your own design.
Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.