Obtanium

[sam1994-max]

What are the best privacy apps for opensource android ?

[DwainZwerg]

Do you mean apps that protect privacy (VPNs/firewalls etc.)? Or do you mean apps for specific areas that don't spy on you?

[sam1994-max]

I mean all privacy apps latest.
All category!!

[DwainZwerg]

Finally, you can find good apps for all categories at https://f-droid.org/, https://www.openapk.net/, https://hellogithub.com/, https://alternativeto.net/, https://www.producthunt.com/, https://www.opensourcealternative.to/, https://opensourcecollection.com/, https://github.com/topics/awesome and https://t.me/quelloffen. Some examples:

• For document viewers (including PDF): LibreOffice Viewer, Collabora Office Snapshot/Collabora Office (stable) (official partner of Libre Office; OpenSource) and OpenDocumentDroid (third-party OpenSource app).
• For (odt, odp, ods, doc, xls, ppt, docx, xlsx, pptx, …) document editors: Collabora Office Snapshot/Collabora Office (stable) (official partner of Libre Office; OpenSource) and OpenDocumentDroid (Third-Party OpenSource-App). PDFs can also be commented on (but not edited).
• For Filemanagers: MiXPlorer (beta) & Total Commander (stable)/Total Commander (beta) Both closed-source; both don't track.