Uses a delta-system to manage archive changes and save conflicts.
such as Yandex). Archives
Simple Chat is a client-server chat for local networks and the Internet.
GitHub, VKontakte, Yandex, Оdnoklassniki
Configure your Mac to open e-mail links in your webmail service of choice.
AOL, and Yandex
Creates & saves backup of Yahoo Mail emails on macOS.
Thunderbird, iCloud, Yandex Mail, Opera
Convert PST Files into MBOX & other formats on MacOS.
GoDaddy, Hotmail, Yandex Mail etc