Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Save IGTV - IGTV Downloader - Save IGTV Videos on any device with the fastest IGtv video downloader.
foobar2000 - An advanced freeware audio player for the Windows platform.
Viddit.Red - Download Reddit Video - helps download video from reddit, with audio. works with many different reddit posts and embeds.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.