Showing a list of logged users using the *user_logged_in* and *user_logged_out* signals. See [login and logout signals](https://docs.djangoproject.com/en/1.4/topics/auth/#login-and-logout-signals) in Django docs.
A *SimpleListFilter* derived class that can be used to filter by taggit tags in the admin. To use, simply add this class to the *list_filter* attribute of your ModelAdmin class. Ex.: class ItemAdmin(admin.ModelAdmin): list_display = ('name', 'unit', 'amount') list_filter = ('unit', TaggitListFilter) Based in [ModelAdmin.list_filter documentation](https://docs.djangoproject.com/en/dev/ref/contrib/admin/#django.contrib.admin.ModelAdmin.list_filter).
albertorcf has posted 2 snippets.