hollr is a small, privacy focused, event management service where you can easily create and share events with a group of friends. No registration required.
Cost / License
- Free
- Proprietary
Platforms
- Online




Games similar to OpenSports include Mobilizon, which is free and open source. Other options are Apple Invites, Meetup, Meetvana and Eventbrite. You're spoiled for choice with Social Networks like OpenSports: we list more than 25 alternatives for the web, iPhone, Android, iPad and Windows.
hollr is a small, privacy focused, event management service where you can easily create and share events with a group of friends. No registration required.




Since 1998, League LineUp has been the #1 leader in sports website building, sports team management, and online league management tools. You can build a website for your team or organization for free.




Evendo is everything you need to arrange better events and celebrations. By combining the World's biggest marketplace for Event-related products with a suite of easy-to-use tools, you will be choosing between 100,000's bookable activities, experiences, venues...

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

ePegboard runs fair, balanced badminton and pickleball club nights - it builds even doubles games automatically so everyone gets a fair share of court time.




Getting together, simplified. Attendees don’t need an account and can RSVP as guest with the event link online.







Mixily is an event hosting platform that allows you to send online invitations to your events. You can manage your guest list and RSVPs, message guests, sell tickets, and more, all with no ads and a strong privacy policy.




Hobbimate connects you nearby with people nearby who share in a passion for your hobbies, play at your level, and genuinely want to consistently do them.



Twenty is 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!.



The Groups Place is a new alternative to Meetup. It has all the functionality to organize events, and has many features that have been disappearing from Meetup. The focus is to give organizers control of their own group.