AdAway
Aegis
AFWall+
AnkiDroid
AntennaPod
AnySoftKeyboard
App Manager
AVNC
Badreads
Birday
c:geo
Contacts: Settings > Export
Conversations & forks: Settings > Create backup
Counter
Delta Labs
Drip
FairEmail
Firefox & forks: Settings > Sync and save your data
FlorisBoard
Gadgetbridge
Goodtime
Infinity
Joplin
K-9 Mail
KeePassDX
KISS Launcher
Kotatsu
Librera
Linkbox
Loop Habit Tracker: Setting > Export full backup
Markor
MediLog
MovieDB
My Expenses
Neo Backup
NetGuard
NewPipe: Settings > Content > Export database
Obtainium
Open Camera
OpenKeychain
OpenTracks
Orgzly
OsmAnd: Settings > (Scroll down) > Export to file > Check at least `Settings` & `My Places` > Continue > Save as file
personalDNSfilter
Photok
QKSMS
Quillpad
RCX
RedReader: Settings > Backup/Restore > Backup preferences
RevolutionIRC
RunnerUp
Seeker
SeriesGuide
Signal: Settings > Chats > Chat backups > Turn on
Silence
Simple Mobile Tools Calendar
Simple Mobile Tools Contacts
Simple Mobile Tools Gallery
Simple Time Tracker
Syncthing
Tasks.org
Threema
Time Cop
TimeR Machine
TimeTable
TrackerControl
Track & Graph
usageDirect
ViMusic
WhatsApp
YTDLnis