python-gsasl is a set of Python bindings to the GSASL library. It is based on CTypes and provides a parser that generates Python code with type checking and a more Pythonic feel than simply using the library through ctypes. It has been tested on Linux, but should work on other platforms too.
ACR is a Web CMS library that can be embedded inside any Turbogears 2 application to add CMS functions. It provides all the fundamental tools to allow an individual or a community to easily publish and manage a Web site with different content types, from Twitter streams to video galleries. It also provides an easy-to-use set of APIs to create new content types by defining your Views. ACR also comes with ACR_cms, a CMS implemented by using libACR.
SQL Tagger reads the tags of audio files from a directory, loads them into a temporary SQLite database, accepts SQL queries to modify this database, then saves any changes back to the audio files. It's useful for performing complex updates that would be difficult or tedious with conventional taggers. It's a complement to conventional taggers, not a replacement.