HTSQL and its adapters for open source database systems are released under a Permissive, Free Software and Evaluation licenses. You may distribute HTSQL under your choice of these licenses, so long as you respect the licenses of other works it may be distributed and/or used in conjunction with. For more information, please see http://htsql.org/license/. In this repository, we also include adapters for proprietary database systems, but only under an Evaluation license. Hence, this repository, as a whole, is not completely free software and therefore should not be referenced as a source package. Our free software source packages exclude these proprietary adapters. In this repository, some components considered broadly useful, but ancillary to HTSQL itself, are released under the MIT license. Example code snippets, configuration, and applications are placed into the public domain using the CC0 copyright dedication. These exceptions to the general license outline above are marked on a file by file basis. To join this project or learn about how to contribute, please read http://htsql.org/community/. In particular, most enhancements for HTSQL could be added through a runtime extension mechanism and do not require write access to this source code repository.