Gospeak is described as 'free and open-source platform to help meetup organizers and speakers grow together'. There are more than 10 alternatives to Gospeak for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and Self-Hosted solutions. The best alternative is Mobilizon, which is both free and Open Source. Other great apps like Gospeak are Meetup (Freemium), Agorakit (Free, Open Source), Facebook Local (Free) and Attendize (Free, Open Source).
Introwise helps experts to easily earn online with paid personal and group sessions, while handling all the administrative work for them. The platform manages scheduling, booking, processing payments and video calls all in the same place.
The Open Event Project offers event managers a platform to help users organize events including concerts, conferences, summits and regular meetups . The components support organizers through all stages from event planning to publishing, marketing and ticket sales.