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Google Slides Web Alternative...
(lemmy.zip)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
Do you think it's possible if I make impress on local host? ...
I preferably want to be able to sync my slideshow document on all my devices.
Maybe, I'm not sure because I don't really have much knowledge on self-hosting. I did find this on their website though so you could start here:
https://www.libreoffice.org/download/libreoffice-online/
~Anti~ ~Commercial-AI~ ~license~ ~(CC~ ~BY-NC-SA~ ~4.0)~
When I refer to a local host, I mean self hosting My own Libre Office
Have you checked out cryptpad? It has some collaborative features and you can self host. Although it's not as great as Libreoffice in my opinion.