https://gitlab.com/xynngh/YetAnotherCallBlocker_data
https://gitlab.com/xynngh/YetAnotherCallBlocker
(on F-Droid)
An automatic call blocker.
https://gitlab.com/xynngh/YetAnotherCallBlocker_data
https://gitlab.com/xynngh/YetAnotherCallBlocker
(on F-Droid)
An automatic call blocker.
https://gitlab.com/bitfireAT/NoPhoneSpam
Suppresses unwanted calls.
Lacks the ability to blacklist a specific contact.
Photos, media and files on your device required.
(on F-Droid)
https://github.com/kaliturin/BlackList
Blocking unwanted calls and messages. Has extraordinarily refined functionality.
A simple way to stop unwanted calls from ringing through.
Must be set as the default SMS app.
Abandoned - The author states it is not being maintained.