WeTime is described as 'No more back and forth between Gmail and Google Calendar, schedule your meetings from within your emails' and is an app in the Office & Productivity category. There are more than 10 alternatives to WeTime for a variety of platforms, including Online / Web-based, iPhone, Android, iPad and Google Calendar. The best alternative is Doodle, which is free. Other great apps like WeTime are Omnipointment (Freemium), JayPad (Free), DFN Scheduler (Free, Open Source) and Vyte (Freemium).
FindTime shows what days and times work the best for you and the attendees when available using free/busy data. Propose your selected times to all attendees and allow everyone to vote and quickly come to a consensus. FindTime sends out the meeting invite on your behalf.