Here’s a draft topic to invite @tcit, the lead developer of Mobilizon, to the discussion. Hopefully, this discussion would eventually move to Mobilizon’s own Discourse. Please “like” if you agree to the contents, edit or comment if you see better ways…
Continuing the discussion from About mobilizon:
Dear Mobilizon 
So far the developers of other free software projects related to event management identified
- the interest of Mobilizon leading the way towards full web-wide interoperability
- the need to cooperate on standardization of event exchange methods that mitigate the flaws of the iCal standard
- the risk to couple purely event-related software design with unrelated functionality, such as “multiple identities”
Mobilizon leadership
Following the huge success of Peertube, Mobilizon benefits from a strong sympathy from the free software community. Nevertheless, where Peertube was creating something where nothing existed before, Mobilizon is tackling a problem space where a variety of existing solutions flourished.
I hope that Framasoft can lead the way to provide inclusive solutions to event management that will benefit to all existing projects and not put them and their communities at risk. It was a bit surprising to find out that many of these existing solution providers were not in contact with each other, hence this conversation!
Event data exchange
iCal is a great pile of… interestingly designed materials, with some shortcomings. I believe the creation of Mobilizon to be the right opportunity to address these shortcomings and help standardize ways to exchange event data reliably in the foreseeable future.
Like most complex designs, this should emerge from a collective work where all parties can participate, rather than a hero hacker solving all for all. Hence this conversation.
API-first and simplicity
Some functionality proposed in the crowdfunding campaign, especially in the higher bids, have questionable intention or utility. Some think they’re inappropriate – or inappropriately named (e.g., “multiple identities”), and present the risk of coupling such extra functionality to the actually required bricks for proper interoperability. We want to ensure the development of Mobilizon will facilitate the simplest possible ways to work with events. Hence this conversation.
We’ve never before gathered across free software projects in the same (or similar) problem space of event management, so hopefully it’s a welcoming working group in the making.
