Here are the packages with brief descriptions (if available):

Ndatabase_dev_tools
Nlg_agent
Na_chat_graph
Nalert_constr
Nconstr
Ndatabase_utils
Ndb_helper_graph
Ninsertion_helper_graph
Ns_chat_graph
Nutilities
Nalert_nodes
Nmodel_inits
Nnodes
Nschemas
Nstate
NTestModel
Ntools
Nweb_helper_graph