This inheritance list is sorted roughly, but not completely, alphabetically:

CAbstractEventListener
Cmodify_session_with_nodejs.MyListener
Ctest_gui.MyListener
Ctest_script.MyListener
Cconnect.sock.client
CEventTargetMixin
CRFB
CFlaskForm
Capp.forms.InviteForm
Capp.forms.RequestInvitLinks
CForm
Capp.forms.UserField
Capp.routes.FormUser
Cobject
Capp.forms.mySelect
Cconfig.Config
CBuildOldDatabase.OldJson
CSelectField
Capp.forms.myFixedSelectField
Cconnect.sock.server
Cunittest.TestCase
Ctest_gui.TestTemplate
Ctest_script.TestTemplate
Cthreading.Thread
CTVConnection.ServerAction
CTVSecure.ConnectionDocker
CTVSecure.FlaskDocker
CTileServer.ClientConnect
CTileServer.TilesSet
CTileServer.TileConnection