SQLAlchemy is licensed under an MIT-style license (see LICENSE). Other incorporated projects may be licensed under different licenses. All licenses allow for non-commercial and commercial use. To install: python setup.py install SVN checkouts also inlcude setup.cfg file allowing setuptools to create an svn-tagged build. Documentation is available in HTML format in the ./doc/ directory. The "raw" format of the documentation is Markdown with a few extra syntaxes added in; those files are present in ./doc/build/content/. To fully generate the documentation into both Myghty and HTML format: cd ./doc/build/ python genhtml.py Information running unit tests is in README.unittests. good luck !