Here are the classes, structs, unions and interfaces with brief descriptions:

chado_views_handler_field
chado_views_handler_field_boolean
chado_views_handler_field_counter
chado_views_handler_field_custom
chado_views_handler_field_date
chado_views_handler_field_markup
chado_views_handler_field_math
chado_views_handler_field_numeric
chado_views_handler_filter_boolean_operator
chado_views_handler_filter_date
chado_views_handler_filter_equality
chado_views_handler_filter_float
chado_views_handler_filter_numeric
chado_views_handler_filter_string
chado_views_handler_relationship
chado_views_handler_relationship_to_node
chado_views_handler_sort
tripal_views_handler_field_aggregate
tripal_views_handler_field_sequence
tripal_views_handler_filter_file_upload
tripal_views_handler_filter_no_results
tripal_views_handler_filter_select_cvterm
tripal_views_handler_filter_select_string
tripal_views_handler_filter_sequence
tripal_views_handler_filter_textarea
tripal_views_plugin_style_export_fasta
views_handler_field_chado_count
views_handler_field_dbxref_accession_link
views_handler_field_node_optional
views_handler_field_readable_date
views_handler_field_residues
views_handler_filter_chado_boolean
views_handler_filter_chado_select_cvterm_name
views_handler_filter_chado_select_string
views_handler_join_chado_aggregator
views_handler_join_chado_through_linking