If you don't know it, it's about time you learn it... and a few more
The new chat oriented Skype Preview is available to download for Windows, macOS and Android, offering new features like @mentions, message reactions, new notification panel, new chat media gallery and enhanced group calls.
WinRAR is one of the most complete and effective compression programs. Thanks to its well earned reputation and "try before you buy" model it's become a top choice for many. Its latest revision brings a long list of improvements, including support for .LZ files. Download it for Windows, macOS and Linux.