Open SigComp License Terms

The Open SigComp library is freely available under version 2 of the Gnu General Public License (GPL), a copy of which is available here. We have released the library under the GPL in hopes that it can be of use for research, prototyping, and advancing the SigComp standard.

Software distributed under the GPL is appropriate for use in prototypes, research, and other open source projects that use the GPL or a compatible license. The GPL does not prohibit use in a commercial product, but please be familiar with and comply with all GPL provisions concerning the redistribution of software that incorporates or links with Open SigComp.

Estacado Systems offers an enhanced compression library based on Open SigComp. Please send email to info@estacado.net for more information.

Additionally, there are certain components of the library that are covered by patents (such as advanced compression algorithms). Because these components require licensing from the holders of such patents, they are not released as open source. To take advantage of such components, you must obtain a non-open-source license from Estacado Systems.

Finally, Estacado Systems grants specific permission to link the Open SigComp library with the reSIProcate library and the Open SSL library. Any products using Open SigComp linked with the either of these libraries, however, are still subject to the terms of the GPL.