Signal. Highly secure communication. No ads. Easy to use.

7 zip, VLC, Paint.net, proxmox, home assistant

KiCad. GNU Linux. Blender. Gqrx. Rclone. Syncthing

I still can’t get used to calling programs apps

Librewolf, FFmpeg, Vim, Wine

Wikipedia. Not an app but still deserves a mention.

YouTube clients like NewPipe

Kodi

Lithium EPUB reader

Home Assistant, not only an App but it changed the way i look at IoT/Smarthome and in that way it brings me a lot of comfort.

NAPS2. I go paperless as much as possible, but still have to scan stuff sometimes. It’s the GOAT for scanning.

The Dialer.

• Comes with every phone
• 10+ digit number instantly connects you with millions of people, services, and institutions
• 3 digits connects you with life-saving emergency support
• Very low-latency voice support
• High quality audio (most of the time)
• No ads
• No obnoxious UI

All kidding aside, I’m routinely astounded at how we have yet to top the ease and utility of old-fashioned phone service.

OBS, and Blender. Two industry shaping software solutions that ere fully open source and free.

systemd

Organic Maps. After switching to graphene, I quickly found plenty of apps replacing the “defaults” I had on stock android, however, a good app for maps was impossible to find until I stumbled over that one. Great UI, local maps, even has a navigation feature. Completely replaces google maps for me.