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FOSS alternative to Pocket?
(sh.itjust.works)
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
I use Floccus which syncs via caldav (self-hosted via Nextcloud). In a similar vein, I host ArchiveBox and archive the important stuff that way.