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Excel alternative?
(lemmy.ca)
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
Matrix space | forum | IRC
You won't find it in the main repo, there are instructions here on how to add the repo with it on F-droid:
https://www.collaboraoffice.com/tag/f-droid/