Open Source Software Notes GL-Liederbuch (based on app5) uses Open-Source-Software. The components are listed below with it‘s main licenses. Parts of components could be licensed under another licenses. This could be done by reviewing the provided soruce code itself (see below). QT is used with the LGPLv3 license. For OSS components using a GNU license (like LGPL), you could request the source code for three years out of the support period. If OSS components were linked statically, you could request the binary object files to relink the application. Request this by writing an email to software@gruppe-luther.de Additionally, you have the option to download the source code of OSS components via the website https://www.gruppe-luther.de/liederbuch/oss.html Additional Notes This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/) This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). This product includes software written by Tim Hudson (tjh@cryptsoft.com).