As in title, preferably open-source, but doesn’t have to, I will start:
KOReader - Amazing reader app, and being able to use the same app across various devices, even non-android ones, is pure bliss. Japanese support is pretty good too, which makes me happy. Though… Sadly no vertical text support :c
Syncthing-fork - Being able to keep a library of books, and some files, and easily keep the shared folder across various devices, is mega comfy. Tachiyomi - Cute manga reader.
NewPipe - Really pleasant youtube client, that i sometimes use to listen to things in the background.
Kaku - An useful Japanese OCR app, that works… quite decently for when I encounter kanji that I do not recognize, and is not text.
EinkBro - A web browser, that on e-ink devices, is quite comfy. Has few… quirks, but works well on e-ink
- Florisboard - FOSS keyboard with support for glide typing
- KISS Launcher - Lightweight, search based, customizable launcher. Also
- MuPDF - PDF viewer
- Logseq - Notes. TODO list. Ideas
- Syncthing - For syncing across devices
- Newpipe - Youtube clilent
- K-9 mail - For email
- Feeder - RSS feeds
- Tusky - Fediverse
- Mull browser
- Brave browser
- Organic Maps - For maps and navigation.
- GMaps WV - For maps and navigation.
- Auxio - music player
- Bitwarden
- Termux
- Mega-android - Cloud storage
And ofcourse, F-Droid with additional repos (IzzyOnDroid, Newpipe etc.)
AR Drawing - for learning painting