mStream is described as 'suite of open source software that lets you sync and stream your music between all your devices' and is an app in the Audio & Music category. There are seven alternatives to mStream for a variety of platforms, including Windows, Mac, Linux, iPhone and Android. The best alternative is Plex, which is free. Other great apps like mStream are Stremio (Freemium, Open Source), Subsonic (Freemium), Logitech Media Server (Free, Open Source) and Madsonic (Freemium, Open Source).
Plex bridges the gap between your computer and your home theater, doing so with a visually appealing user interface that provides instant access to your media. Plex can play a wide range of video, audio and photo formats as well as online streaming audio and video.
Media center allowing to watch movies, series, YouTube channels instantly. You can watch in HD, with subtitles, and easily cast any file to TV through DLNA, Chromecast, AppleTV! Stremio also gives you notifications for new episodes / movies.
Logitech Media Server is the server software that powers audio players from Logitech (formerly known as SlimDevices), including Squeezebox 3rd Generation, Squeezebox Boom, Squeezebox Receiver, Transporter, Squeezebox2, Squeezebox and SLIMP3.