RocketChat/Rocket.Chat

{
    "name": "RocketChat",
    "description": "The Ultimate Open Source WebChat Platform",
    "launch_path": "/",
    "icons": {
        "192": "/assets/favicon_192.png",
        "512": "/assets/favicon_512.png"
    },
    "developer": {
        "name": "Rocket.Chat",
        "url": "https://rocket.chat/"
    },
    "fullscreen": "true",
    "chrome": {
        "navigation": false
    }
}