Галерея поздравлений (открытки и музыка) is a free Chrome add-on developed by Amdoit. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This program offers a variety of features, including greeting cards and descriptions for every day of the year, a music playback history, and the ability to download MP3 tracks from any website.

With this add-on, users can stay updated on the holiday of the day. By clicking on the extension icon in the top right corner of the browser, they can find out which holiday is being celebrated, learn how to celebrate it, and find relevant greetings. Additionally, users can view new greeting cards directly in their browser and send them to their friends for free.

One of the standout features of this add-on is its music playback history. It saves all the MP3 tracks that users have listened to, including music from Vkontakte, My World mail.ru, Yandex Music, and in-browser games. Users can easily download any track to their computer or portable music player.

Overall, Галерея поздравлений (открытки и музыка) is a versatile add-on that provides users with access to a wide range of greeting cards and music features, all within their Chrome browser.