Kalam font: Copyright the Kalam Project Authors. SIL Open Font License 1.1; see Kalam-OFL.txt.

Twemoji sticker graphics: Copyright Twitter, Inc. and other contributors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). https://creativecommons.org/licenses/by/4.0/
Source: https://github.com/jdecked/twemoji
Packaged optimized SVGs from @twemoji/svg 15.0.0 by Samuel Kopp; package license retained. Graphics are displayed without design changes; user-selected sizing and rotation occur at runtime.

Electron and Chromium licenses are distributed alongside the packaged application.
