Desktop(Windows): MullvadVPN, Mullvad Browser, Tor Browser, KeepassXC, VeraCrypt, Fort Firewall, MAS(XD), PeaZip, SumatraPDF, VLC player
Phone(GOS): Most of the GOS default apps(such as Vanadium), ReFra(photo gallery), KeepassDX, Signal, SimpleX, MullvadVPN, Obtainium(not directly privacy related, but it does help download those easily)