In addition to the [[official plugins|Plugins]], there are many other open source and commercial plugins listed below (in alphabetical order) : 


# Open source


## gladstone

GladSToNe is an educational tool for learning about hi-performance audio handling for real-time transmissions. The goal of the project is to use the open source model to improve the psycho acoustics, noise shaping and speed of audio transmissions over IP. Contains a G729 codec plugin, **g729enc** for encoding and **g729dec** for decoding. 

* [[Project page on Google Code|http://code.google.com/p/gladstone/]] 
* [[Code repository on Gitorious|http://gitorious.org/gladstone]] 
* [[Profile on ohloh.net|http://www.ohloh.net/p/gladstone]] 

## gst-buzztard

Extra interfaces for audio plugins + a few plugin using them. Contains a wrapper for buzz-machine plugins. **audiodelay** add an echo effect to audio, the **bml** plugin wraps buzz-machine plugins, **fluidsynth** is an audio synthesizer, and **simsyn** is a simple monophonic audio synthesizer. 

* [[http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/gst-buzztard/|http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/gst-buzztard/]] 

## gst-fluendo

[[Fluendo|http://www.fluendo.com/]] provides several open source plugins, including: 

* an MIT-licensed mp3 decoder (**flump3dec**) 
* an MPL-licensed MPEG Transport Stream and Program Stream demuxer (**flutsdemux**, **flupsdemux**) 
* an MPL-licensed MPEG Transport Stream muxer (**flutsmux**) 
* an MPEG TS Timeshifter element (**flufakeshifter** for time shifting on fake streams, and **flumpegshifter** for time shifting on MPEG TS streams) 
* an MIT-licensed iLBC decoder / encoder (**fluilbcdec**, **fluilbcenc**) 
* an MIT-licensed ADPCM decoder (**fluadpcmimaqtdec**, **fluadpcmimadvidec**, **fluadpcmmsdec**) 
* an LGPL-licensed GDL sink for Intel's Sodaville and Canmore platforms (**flugdlsink**) 
The code and issue tracker are hosted on Fluendo's TRAC: 

* [[https://core.fluendo.com/gstreamer/trac|https://core.fluendo.com/gstreamer/trac]] 

## gstlal

A suite of elements for gravitational-wave data analysis from the [[LIGO|http://en.wikipedia.org/wiki/LIGO]] project. 

* [[Project page|https://www.lsc-group.phys.uwm.edu/daswg/projects/gstlal.html]] - including Git repository 

## gst-plugins-elphel

Elphel camera-related plugins, including **jp462bayer** which converts color and monochrome JP46 Elphel bitstreams to Bayer raw format, and **bayer2rgb2** which converts raw Bayer streams to RGB images using libdc1394 debayering algorithms. 

* [[Project page on Google Code|http://code.google.com/p/gst-plugins-elphel/]] - including SVN repository 

## GstStabilizer

Python plugin using OpenCV to stabilize video. 

* [[https://github.com/guijemont/GstStabilizer|https://github.com/guijemont/GstStabilizer]] 

## PiTiVi

[[http://www.pitivi.org/ PiTiVi|http://www.pitivi.org/ PiTiVi]] is a Python-based non-linear editor, and includes several Python plugins 

* [[repository browser|http://git.pitivi.org/?p=pitivi.git;a=tree;f=pitivi/elements Git]] 

## pocketsphinx

Speech recognition plugin based on CMU sphinx. **pocketsphinx** takes audio as input and produces text on output, and **vader** marks utterance start and end points in an audio stream. 

* [[Using PocketSphinx with GStreamer and Python (or Vala)|http://cmusphinx.sourceforge.net/wiki/gstreamer]] - includes example code 
* [[SVN repository on Sourceforge|http://cmusphinx.svn.sourceforge.net/viewvc/cmusphinx/trunk/pocketsphinx/src/gst-plugin/]] 

<div style="display:none">
Perhaps use a table instead? 
[[!table header="no" class="mointable" data="""
**Name** | **Description** | **Website** | **Source**
gladstone | Contains a G729 codec plugin | [[http://code.google.com/p/gladstone/|http://code.google.com/p/gladstone/]]  | [[http://gitorious.org/gladstone|http://gitorious.org/gladstone]]
gst-buzztard | Contains a wrapper for buzz-machine plugins. |   |  [[http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/gst-buzztard/|http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/gst-buzztard/]]
"""]]
</div>

# Commercial

* [[Entropy Wave codec package|http://entropywave.com/products/codecs-for-oems/]]