Open Source implementation of GOG Galaxy's Communication Service, Comet sees a first release https://www.gamingonlinux.com/2024/07/open-source-implementation-of-gog-galaxys-communication-service-comet-sees-a-first-release/
Open Source implementation of GOG Galaxy's Communication Service, Comet sees a first release https://www.gamingonlinux.com/2024/07/open-source-implementation-of-gog-galaxys-communication-service-comet-sees-a-first-release/
Read the article.
Comet isn't competing with Heroic Launcher, it's extending its functionality by enabling achievements, cloud saves and possibly multiplayer via GOG Galaxy Services inside Heroic Launcher (and other launchers as well).