When a big group event requires a little more than just "showing up", Guestboard keeps your group informed, connected and organized.
Cost / License
- Freemium (Subscription)
- Proprietary
Platforms
- Online
- iPhone


Twenty is described as 'The best way to get together with friends in real life by allowing you to see who’s around, see who’s down and hang out!' and is an app in the social & communications category. There are more than 25 alternatives to Twenty for a variety of platforms, including Web-based, iPhone, Android, Self-Hosted and Android Tablet apps. The best Twenty alternative is Mobilizon, which is both free and Open Source. Other great apps like Twenty are Apple Invites, Meetup, Gancio and Agorakit.
When a big group event requires a little more than just "showing up", Guestboard keeps your group informed, connected and organized.


Attendize is an Open-source ticket selling and event management platform and is everything you need for a successful event. Attendize has a wide array of features aimed at making organising events as effortless as possible.

OpenSports is a web and mobile app that helps sports organizers create sports groups for their players and makes it easy for them to handle RSVPs, payment, and integrates with their existing website.



OpenSports is the most popular commercial alternative to Twenty.
BlinkMeet is a meetups management application which allows you to easily administer online communities and organize events with other people.




Soon is a network that helps you keep up with great things happening around you. Discover events, add events yourself, follow and get followed by others in Soon's community.



GamePlan is a new calendar platform built for you and your friends. We make sharing invites not feel weird (af) and provide a fun way to keep track of your social sched.



You manage an organization, a federation, a territory comprising a multitude of independent organizers?

OpenAgenda is the most popular SaaS alternative to Twenty.

Gospeak is a free and open-source platform to help meetup organizers and speakers grow together.

Meetabit is a meetup service for tech communities. Local tech and startup meetups in one place - easy to organize & attend.





Ddays is a simple and free app that gathers everything you need to plan events with your friends and family.


