Asklemmy

daily and both (desktop and mobile, cross-platform),

Mozilla Firefox

On mobile:

• Feeder (RSS reader)
• K9-Mail / Thunderbird
• Mull (Deblobbed and privacy oriented Firefox Mobile fork)
• Catima (Loyalty card manager)
• Cofi (Coffee timer)
• Neo Launcher

On desktop:

• Spotify-qt and Librespot

I use a bunch of other stuff as well but these are the one I truly use daily that haven't been mentioned yet.

• KDE Plasma
• Okular
• Dolphin
• Librewolf
• FreeTube
• Debian
• LyX
• Eternity for Lemmy
• Git

Habits

Nextcloud

Libretube

• Habits
• Tasks
• Quillpad
• Firefox
• Bitwarden
• Immich
• Miniflux
• Wallabag (also testing Omnivore)

Godot

I use FreeCAD for both 3D printing and woodworking design.

I use Rednotebook for my personal journal, and it's mostly satisfactory.

I self host:

• Miniflux - RSS Reeader
• Alexandrite - Lemmy Client
• Invidious - Youtube frontend

Vlc

Syncthing (for obsidian notes, mostly. I know there are FOSS apps that do what obsidian does, but they just don't feel as good for my purposes).

LibreTorrent

I started using Upscayl to upscale the AI images I make.

https://www.upscayl.org/

KDE Plasma

I want to highlight a practical usecase for password management with open source tools. Keepass (gnome secrets on computers, and keepassdx on mobile) with syncthing syncing encrypted password files between the devices. Very effective so far. Passwords are synced seamlessly.

SumatraPDF
NotePad++

Jellyfin and findroid. Mainly findroid.

Also PipePipe (piped app for youtube) and libretube

I also play an open source version of solitaire and a game called box stacker, both are from the f droid store

And ofc, infinity for lemmy

OpenRadio is a good one if you like radio and music in general. It has radio stations from everywhere and from almost every music style.

Joplin

Firefox, Neovim, Tmux, Various KDE applications, Nextcloud, Wine, Signal, OpenSSH

Probably many more

I use putty at work on a daily basis

VLC, audacity, organic maps, freetube

On Smartphone : OpenKeychain, Tor Browser, SimplesTools Collection, FairMail, NewPipe, Fdroid, Organic Maps, Cake Wallet, Aegis

On PC : Emacs, Gimp, Audacity

Radarr, Sonarr, Prowlarr, Jellyseerr, Wizarr, Jellyfin, qBittorrent

• GNU/Linux
• Web Browser
• GIMP

FairEmail

I'm having a harder time thinking of proprietary programs I use. I guess the biggest offender is mobile apps. As far my computer goes, discords flatpak is the only one coming to mind.