metaphil, 
After #SimpleMobileTools sold out to a crapware tracker-ad company app, the first forks start appearing in @fdroidorg while we speak 🥳
https://fossify.org seems to be the umbrella project, the forks' sourcecodes are available on github.
https://github.com/FossifyOrg/
(missed chance to move to #codeberg or alike, if you ask me 🫢)