Alternatives to nessViewer for all platforms with any license

VLC Media Player

VLC is a free and open source cross-platform multimedia player and framework. Owned by the non-profit organization VideoLAN.

Free Open Source Mac Windows Linux Android iPhone ... Chrome OS Windows S Android Tablet BSD Windows Phone iPad Apple Watch Apple TV PortableApps.com Kindle Fire Haiku Xbox
Lightweight Automatic subtitles download Replay Gain Ad-free ... Audio recording Automatic conversion to multiple formats Automatic Tagging Built-in Media converter Built-in subtitle search Integrated codecs Create PlayList Customizable Google Drive integration Internet radio Low memory usage Multiple languages Media Streaming Music Library Network Traffic Obfuscation Playlists management Portable Support for subtitles Visualize Music Voice pitch visualization Add a feature

5993 Like
Kodi

Kodi, formerly XBMC, is a free and open source media player and entertainment center for Linux, Mac OS X, Windows, XBox, and iOS. Kodi is designed to be the perfect...

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet BSD iPad Raspberry Pi Fire TV
Media Streaming Support AirPlay Automatic subtitles download Built-in Media converter ... Built-in subtitle search DNLA Server Extensible by Plugins/Extensions Jailbreak required Music Library TV Shows meta data support Video library Add a feature

1206 Like
Plex

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...

Freemium $ $ $ Mac Windows Linux Android iPhone ... Chrome OS Windows S Android Tablet Windows Phone iPad Apple TV Kindle Fire Roku Daydream
Media sharing Media Transcoding Media Streaming Play local content ... Dedicated Server Hosting DNLA Server Local server Media Streaming Offline sync of media files Remote File Access Remote Media Access Stream audio Add a feature

716 Like
DivX

A professional and reliable software solution that provides you with the latest codecs and enables high quality DivX HEVC video creation and video streaming.

Freemium Mac Windows Android iPhone
Support for subtitles Add a feature

47 Like
QuickTime Player

Watch Internet video, HD movie trailers, and personal media clips. Whether it’s on the web or on your desktop, QuickTime Player brings your digital media brilliantly to...

Free Mac
Audio recording Record videos Add a feature

126 Like
Infuse

Ignite your video content with Infuse – the beautiful way to watch almost any video format on your iPhone, iPad, and Apple TV. No need to convert files! Infuse is...

Freemium $ $ $ iPhone iPad Apple TV
Support for DLNA TV Shows meta data support Add a feature

31 Like
MPlayerX

MPlayerX is an open source project which aims to be the most powerful, beautiful, easy to use multimedia player on Mac OS X.
- Discontinued Installer contains possible malware: https://www.symantec.com/security_response/attacksignatures/detail.jsp?asid=29897
- Warning MPlayerX has been bundled with malwares, including adware. See the VirusTotal scan results at https://www.virustotal.com/en/file/6f1e9d7dc6b52af887b5e1bee6e0d0366345fb53c752ca23b98a9cf9b647fd49/analysis/1441451188/
Free Open Source Mac MPlayer
macOS-like MultiTouch Support for Multiple Monitors Support for subtitles Add a feature

71 Like
5KPlayer

5KPlayer is a mixture of free (MKV) HD video player, music player, AirPlay media streamer and online video downloader.

Free Mac Windows
Support for 4K Play 4k video Supports H265 Codec Add a feature

19 Like
Movist

A Mac media player based on QuickTime and FFMpeg, Open source under the GPLv3 and hosted on Google Code. A Simple and clean interface and high codec compatibility...

Free Open Source Mac
No features added Add a feature

53 Like
OpenPHT

OpenPHT is a community driven fork of Plex Home Theater (abandoned). That's a open-source client for Plex. Need to install Plex Media Server.

Free Open Source Mac Windows Linux
Media Streaming Add a feature

5 Like
Semper Media Center

Semper Media Center (SPMC in short) is a Android-minded fork of Kodi, by the former Kodi android maintainer, Koying.

Free Open Source Android
No features added Add a feature

8 Like
VidOn Server

Smartly manage all your multimedia resources and automatically transcode videos for your Phone, Pad, etc.

Free Windows
Tv shows Add a feature

6 Like
niceplayer

This program aims to be a multi-engine (Include of Perian Project) player designed for playing movies nicely for a person who likes to watch or present movies on their...
- Discontinued The project is no longer developed. Last version, 0.98, released in April 2014, can be still downloaded from GitHub.
Free Open Source Mac
Integrated codecs Add a feature

9 Like
PlayerXtreme

PlayerXtreme Media Player is the most popular cross-platform audio, video, movie and online streaming Player for your device. With this Free Media Player you can watch...

Freemium Android Android Tablet
No features added Add a feature

5 Like
nessMediaCenter

Use your Mac as optimal media center! nessMediaCenter is the suitable replacement for Apple's Front Row: easy to use with a clean look and feel, direct access to...

Commercial Mac Apple TV
iTunes integration Live Broadcasting Add a feature

18 Like