Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Meetable
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Any opensource self-hosted community events system?
Maybe something like Meetable?
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Shared calendar with attendance (but without invitation)
I have Meetable on my list of services to try, which sounds like it may work for you, too.
TellForm
We haven't tracked posts mentioning TellForm yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
LimeSurvey - The most popular FOSS online survey tool on the web.
Open Event Server - The Open Event Organizer Server to Manage Events https://test-api.eventyay.com
Ghost - Independent technology for modern publishing, memberships, subscriptions and newsletters.
Kyélà - Participation polls for group events
Hexo - A fast, simple & powerful blog framework, powered by Node.js.
MaterialPoll - Opensource strawpoll.me with Angular and Socket.io
Feedka - Get authentic, kindful, and constructive feedback from your friends, family, and co-workers.
JD Esurvey - JD eSurvey is an open source enterprise survey web application written in Java and based on the Spring Framework. Check out the tutorial videos to find out more about the application features.
hitobito - A web application to manage complex group hierarchies with members, events and a lot more.
Calagator - An open source community calendar platform written in Ruby on Rails