https://f-droid.org/en/packages/co.electriccoin.zcash.foss/
Zashi is a Zcash wallet that keeps your transaction and message history private
free and openzcashwalletdroidsource
https://www.thethingsnetwork.org/device-repository/devices/netvox/r718lb2/
This device is equipped with two way Hall sensors, which can be used for door and window switch state detection. It can realize wireless alarm and other...
wirelessganghalltypeopen
https://publications.vtt.fi/
VTT publication series, some other reports and some self archived publications in PDF
open access repositoryvtt
https://f-droid.org/packages/io.heckel.ntfy/
Send notifications to your phone from any script using PUT/POST requests
your phoneputpostfdroid
https://fredi.hepvs.ch/login/?next=/hepvs
The SONAR project aims to create a scholarly archive that collects, promotes and preserves the publications of authors affiliated with Swiss public research...
open access repositoryswiss
https://f-droid.org/es/packages/net.opendasharchive.openarchive.release/
Safely preserve, organize, and share your mobile media
free and opensavedroidsource
https://f-droid.org/en/packages/de.kitshn.android/
An unofficial client for the self-hosted Tandoor recipe management software.
free and opentandoordroidsource
https://itsfoss.com/youtube-dl-github-takedown/
Update: GitHub has restored youtube-dl after EFF took a stand against the takedown. Now, the DMCA takedown has been reversed while announcing a $1M defense...
open sourcemicrosoftgithubrepositoryproject
https://f-droid.org/en/docs/
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install,...
free and openandroid appdocssourcerepository
https://f-droid.org/packages/com.etesync.syncadapter/
Secure, private and end-to-end encrypted calendar, contacts and tasks sync
free and opensecuredatasyncdroid