Mattermost does have an Github Repository with a choice of three licenses: MIT (if using versions compiled by them), AGPLv3 (if compiled by you) or an Enterprise license. I would count that as open source.

A more general business management application like Odoo could work?

Don’t forget Minecraft either.

As a past customer of Gandi, they have been bought out and have been significantly increasing their prices (renewal this year would have cost me twice what I paid a couple years back) while reducing the value proposition of their offering (e-mail is no longer included…)

Note that while entering the Schengen area does not require a visa for USA citizens, you do have to get a visa waiver which is subject to limitations. See this document.

Thunderbird has RSS integrated, which could be quite neat once that synchronizes.

They were removed from MAINTAINERS, which is what identifies the people responsible for maintaining a piece of code, a subsystem of Linux, not the credits, which is encoded in the git commit history.

A very similar situation to that analysed in this paper that was recently published. The quality of what is generated degrades significantly.

Although they mostly investigate replacing the data with ai generated data in each step, so I doubt the effect will be as pronounced in practice. Human writing will still be included and even curation of ai generated text by people can skew the distribution of the training data (as the process by these editors would inevitably do, as reasonable text could get through the cracks.)