Expert Level 4
No Google Apps even playstore

Media player: VLC
 (The best video and music player. Fast and “just works”, plays any file) - 

File Manager: 
MiXplorer mix of explorers (SD, FTP, Lan, Cloud and other storage explorers) is a fast, smooth, beautiful, reliable and full-featured file manager - 

Password manager:
 Bitwarden (bitwarden Password Manager) - https://f-droid.org/app/com.x8bit.bitwarden

Casual Mail client: disroot mail id on K-9 Mail (Full-featured email client) - 

Private mail: Tutanota 
(Encrypted email & calendar service - easy to use, secure by design.) -

Signal Encrypted Private Messenger - https://signal.org/android/apk/

Group messaging: 
Telegram (Telegram is a messaging app with a focus on speed and security.) - https://f-droid.org/app/org.telegram.messenger

Simple Gallery Pro - Photo Manager & Editor (Browse your memories without any interruptions.) - https://f-droid.org/app/com.simplemobiletools.gallery.pro

Youtube frontend: 
NewPipe (Lightweight YouTube frontend) - https://f-droid.org/app/org.schabi.newpipe

PDF viewer: 
MuPDF viewer (Lightweight document viewer) - https://f-droid.org/app/com.artifex.mupdf.viewer.app

Casual Note Taking: 
Notes (POSP official notes application) - https://f-droid.org/app/com.potatoproject.notes

Serious😠 Note Taking: 
Simplenote (keep notes, lists, ideas and more) - https://f-droid.org/app/com.automattic.simplenote

Specialised software for the niche.

Audiobook Player:
 Voice (Simple audiobook player) - https://f-droid.org/app/de.ph1b.audiobook

Task Manager/ to-do list: 
Tasks.org: Open-source To-Do Lists & Reminders (Fork of Astrid Tasks & To-Do List) - https://f-droid.org/app/org.tasks

Habit tracker:
 Loop Habit Tracker (Track your habits and long-term goals) - https://f-droid.org/app/org.isoron.uhabits

VPN Client:
 OpenVPN for Android (OpenVPN without root) - https://f-droid.org/app/de.blinkt.openvpn

Ereader experience: 
KOReader (Ebook reader supporting multiple formats like PDF, DjVu, EPUB, FB2) - https://f-droid.org/app/org.koreader.launcher

Simple Keyboard (Simply keyboard and nothing more) - https://f-droid.org/app/rkr.simplekeyboard.inputmethod

Torrent client: 
LibreTorrent (Manage, download and share files) - https://f-droid.org/app/org.proninyaroslav.libretorrent

Read it later App: 
Wallabag (Save and classify articles, read them later, freely) - https://f-droid.org/app/fr.gaulupeau.apps.InThePoche

Simple tools catalogue have excellent alternatives if you don't like a specific stock app on your phone like calculator or calendar. 

If you have any questions please comment below and let me know.
1 Comment
Beginner Level 2
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