> *Refer to* [*README*](../README.md) *for main instruction file* The Doubango framework is **dual licensed (GPL/commercial)** and contains third-party libraries compatible with commercial and closed-source applications. The framework depends on:

> > Name | Version | License | Dependency | Comments

> > FFmpeg | SVN r24652 | GPL or LGPL | optional | The commercial version could be linked against the LGPL version as far as the FFmpeg's License Compliance Checklist is respected. We recommend not using FFmpeg

> > iLBC | 1.0 | GIPS Public License | optional |

> > libgsm | 1.0-pl13 | BSD | optional |

> > libogg | 1.1.4 | BSD | optional |

> > libyuv | SVN r321 | BSD-style | mandatory |

> > libsrtp | 1.4.2 | BSD-based | optional |

> > libtheora | 1.1.1 | BSD | optional |

> > libvorbis | 1.2.3 | BSD | optional |

> > opencore-amr | 0.1.2 | Apache license 2.0 | optional |

> > openssl | 0.9.8m | Apache-style License | optional |

> > Ragel output | 6.7 | Doubango License | mandatory | No linking

> > SimpleXML | 2.3.4 | Apache License 2.0 | mandatory | Only on Android

> > swig output | SVN r12023 | Doubango License | mandatory | No linking

> > Speex | 1.2 | Revisited-BSD | mandatory |

> > WebRTC audio processing | SVN r2512 | BSD | optional | AEC, Noise suppression ...

> > x264 | 0.104 | GPL | optional | Must be disabled for commercial use