The use of these projects is at your own risk, although I will be glad to help with any inquiry and I do recommend these services.
Android Note Taking App
A note-taking app that saves to the cloud with powerful reminder functionalities.
A chat app (on every platform!) that uses the federated matrix protocol read more on matrix.org or just ask me.
Jitsi Video Conferencing
A video conferencing app (on every platform!) with sharing screen capabilities and more