License Credits

Lightworks is a product developed by LWKS Software Ltd ('LWKS'). It is distributed as commercial software.

Third-party dependencies and licences

In order to provide such a comprehensive software package, Lightworks incorporates various third-party technologies. LWKS wishes to acknowledge and thank the following development teams and organizations.


FFmpeg is a complete solution to record, convert and stream audio and video. It includes libavcodec, the leading audio/video codec library. FFmpeg is developed under Linux, but it can compiled under most operating systems, including Windows.

Lightworks uses libraries of FFmpeg under the LGPL v2.1. [Libraries used: avcodec.lib, swscale.lib, avformat.lib]
FFmpeg is a trademark of Fabrice Bellard, originator of the FFmpeg project.

The FFmpeg source we are using can be downloaded here.

To download the latest version of FFmpeg please visit the FFmpeg website


OpenSSL is an open source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.

Lightworks uses code from the OpenSSL project to provide support for SSL encrypted connections.
The OpenSSL licence can be found here.

GoPro CineForm®:

Lightworks uses code from the GoPro CineForm® project to provide support for CineForm codec.
GoPro CineForm® is a 12-bit, full-frame wavelet compression video codec. The licence can be found here.