Here are my go to apps.

• Droid-ify - Fdroid client
• Mull - firefox mobile fork
• KeePassDX - password manager
• Tracker Control - VPN based, blocks trackers for installed apps
• Nebula (F-droid) - DNS based, can be used alongside tracker control
• Infinity for reddit - sad
• FlorisBoard Beta - keyboard but no development update for months now
• Notally - simple notes app
• Simple Calendar - part of simple tools/suite of apps
• Open Camera
• Fair Email - email client
• Moshidon - forked from an app I cant remember, nice material u design and fast
• Arcticons Icons - line icons for your homescreen
• SimpleLogin - create anonymus emails and disable them, helps prevent spam and address privacy control
• Tutanota - mail app for tutanota
• Jerboa - lemmy client
• Paisa - expenses manager app
• My Expenses - expenses manager app
• ExifEraser - removes metadata for the pictures