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Decent YouTube client?
(lemmy.ml)
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.
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I'm assuming because they aren't foss check their license) and clearly intent to have a business around the app. On the website it says they make money by selling licenses but I didn't do enough research to know how that works.