I did some research on the topic and focused on minimizing the cost per member (we are only a group of 5), simple UI, and having a searchable archive for all emails and having all the attachments indexed in an archive. I settled on https://gaggle.email/ It is not the most fully featured, there is one that allowed to tag discussions that seemed very appealing, but out of budget. The other ones I found are:. - Source: Hacker News / 3 months ago

Check if your country has public-funded LISTSERV/Mailman/etc. If not, I'll check https://gaggle.email. - Source: Hacker News / over 1 year ago

So, for the next readers, I found a way, even if not the prettiest one : using gaggle.email. Source: over 1 year ago

We have a lot of issues specifically with Gmail having significant delays with delivery that were looked at by others in the role before me. Ultimately we want to get rid of Listserv as even their cloud option isn’t cheap. Are there any good alternatives out there others have used? I found Gaggle Mail, which sounds like a good potential replacement but I need to research it further. Source: over 1 year ago

So basically you want to make a slideshow. Use something like Smartshow 3D, it has tons of templates and transition effects, and you'll just have to choose one of them, then add the photos and it's all ready. Source: 11 months ago

I'd probably also add Smartshow 3D to the list, they have templates for everything, it seems. Source: about 1 year ago

Smartshow 3d could probably do that, depending on the type of template you choose. Source: about 1 year ago

Smartshow 3d is good for video presentations and they have adjustable templates. Some look informal though, but you can adjust them to minimalistic as well. Source: about 1 year ago

LibreOffice as mentioned, and also Smartshow 3d is good if you need a PowerPoint alternative. Source: over 1 year ago