This page documents the API, methods, and best practices for If you are developing a [[Third-party Addons|Third-party Addon]] this page documents the API, methods, and best practices for Gramps 4.2 and later. Addons for Gramps can extend the program in many different ways. You can add any of the following [https://github.com/gramps-project/gramps/blob/master/gramps/gen/plug/_pluginreg.py types] of addons: