あなたのMacにベルタワーをインストール! MenuBells は日本のユーザーのために翻訳されました。! 下記の英語の説明... ★ MenuBells is a free application that installs a bell tower into your Mac ★  For the country bell towers nostalgia, or just to get a cool chime effect ringing hours like a real one  ★ ★ Main features  ● Doesn't disturb your working station : MenuBells loads as a tiny menu icon, that's all  ● Choose the bell chime  ● Change the ring volume independently from the computer's  ● Mute the bells if needed  ● Enable all day or restrict ring hours ● Possible to ring half-hours ● Scheduled mode for custom hours-minutes rings ● Auto load at startup option  ● Icon look changes depending on the app status (Normal / Muted)