ICQ New is a cross-platform instant messaging (IM) and VoIP client.
Russian, English, Portuguese, Ukrainian, German, Czech, French, Chinese, Turkish, Spanish, Arabic, Vietnamese IOS, Android, ColorOS, Windows, MacOS, web application, Linux, (former platforms) Windows Phone, Windows Mobile, Java, Symbian OS, Symbian S60, BlackBerry OS, Bada, Amazon Fire, Palm Pilot, iMode
C++ ( Linux/ Windows/ MacOS), Objective-C/ Swift ( iOS), Java/ Kotlin ( Android)