Application marks identify the supported products, not DeepSeaFoam or an endorsement.
All product names and marks belong to their respective owners.

VS Code / Visual Studio: Devicon; see LICENSE-devicon.txt.
Windows Terminal: Microsoft; see LICENSE-terminal.txt.
Firefox: Browser Logos collection; see LICENSE-browser-logos.txt.
Chrome / JetBrains / Slack: Devicon; see LICENSE-devicon.txt.
Discord / Telegram / Sublime Text: SVG Logos collection; see LICENSE-logos.txt.
Alacritty: official project mark; see LICENSE-alacritty.txt.
Obsidian: official, unmodified mark; https://obsidian.md/brand
Obsidian's guidelines require contacting its owner for commercial use.
Monkeytype: Simple Icons, CC0 1.0 Universal; shared full text in LICENSE-logos.txt.
Root fill added in verified brand yellow #e2b714 for visibility; path data is
unchanged and a final CRLF was appended. This is not an unmodified upstream SVG.
The official favicon supplied only the color reference; its artwork is not reused.
CC0 does not grant trademark rights. No affiliation or endorsement is implied.

Notepad++ / Zsh / Xfce / GitHub Pages: Simple Icons; LICENSE-logos.txt (CC0).
Godot Engine: logo copyright 2017 Andrea Calabro, CC BY 4.0; see the exact
upstream credit and license link in LICENSE-godot.txt and https://godotengine.org/press/
These five Simple Icons derivatives add only their metadata brand-color root fill
and one final LF; original path data is unchanged. Xfce's project mark identifies
Xfce4 Terminal. GitHub Pages' dark mark has a white CSS backing for legibility.
Notepad++, Xfce and GitHub Pages are 144px lossless WebP renderings of those SVGs,
preserved under docs/icon-sources; they are not unmodified source SVG downloads.
Termux: unmodified Termux.com geometric mark via Wikimedia Commons, which marks
this specific asset PD shape: https://commons.wikimedia.org/wiki/File:Termux.svg
The app repository's GPL does not imply a blanket license for unrelated assets.
rofi / Nova Launcher: original text identifiers, NOT official logos.
No unverified product artwork is reused for these two; LICENSE-identifiers.txt.

Pinned sources and SHA-256 hashes:
https://github.com/Zanark/DeepSeaFoam/blob/main/docs/application-icons.json