Here’s the list of logos row by row so you don’t have to awkwardly ask what they are

Steam (not FOSS)*
“LL” (likely OP’s own design, not a FOSS project)*
Zigbee
Obsidian (not FOSS)*
Brave
Protonpass

Tailscale*
Home Assistant
Raspberry Pi (not open HW)*
Ubiquiti (not open HW)*
Android (not really FOSS)*
Signal

DigitalOcean (service)*
Ubuntu
Linux
Claude (not FOSS)*
Proxmox
Nextcloud
Jellyfin (rotated)

Trilium
Nginx
Tabby
Bash
Debian (rotated)
Docker

NodeJS
Python
HomeBox
XPipe
PiHole
Prometheus
Grafana

* not in gallery of printable sticker images