3 way Drury - showing 2, 3 or 4 card M support

Ace asking 4NT & 5M - 4NT & 5M openings

Bato - Convention on signaling, named after Bato Protega

Bergen (modified) - 4 card M support, 7-12 HC

Confit - Both hands balanced, SI fit showing and asking about controls

DOPI - dbl (rdbl) shows 1^st level answer, pass shows 2^nd level answer, included in RKCB, Jacoby 2NT

Gazzilli - after 1M, showing different hand types

Gladiator - follow up after (2M) - 2NT

Jacoby 2NT + SST - 4 card M support, opening strength, OP shows distribution

Leaping & Nonleaping Michaels - bidding strong two suiters after opps preempt

Lebensohl - after we double their W2 bid or after we reverse

Lightner double - lead directing

Multi Landy - Overcalling their 1NT, 2♣, strong 1♣ and 3♠/NT showing minor one suiter

Nebulous 2♣ - after we open 1M, showing invitational+ hands without own 5 card suit (except ♣)

Negative redouble - showing TH in partner's suit

Responsive double

RKCB

Power dbl and Scramble dbl

Romex - continuation after we open 2NT

Rubensohl

Splinters - Standard, Ambiguous and via Bergen Modified

Support doubles and redoubles - after 1♦ and 1♣ (only whe unbalanced)

Texas (South African)

Thrump double and 3♠

Trap pass

Trial bids - Long suit mode, short suit mode and trump

Unserious 3NT - shows non minmal hand but no SI