New contribution to an old thread…here's a partial list I put together, I'll just post it here and if anyone has a better method of displaying it / treating it as a "living" document that anyone can add to, please let me know.
In alphabetical order:
ASLF: Avid Lo-Fi
ASMA: Avid Maxim
ASSF: Avid Sci-Fi
ASST: Plug and Mix (P&M) - all plugs
ASRF: Avid Recti-Fi
AVrP: AudioEase Altiverb
BAAS: Avid Pro Limiter Loudness Analyzer
bpAS: GRM BandPass
coAs: GRM CombFilter
CRMB: SoundToys Crystallizer
CSAS: Avid Dyn3 Compressor/Limiter
CSSA: Channel Strip
ctAs: GRM Contrast
D1FN: Waves IR-L mono
D1FT: Waves IR-L efficient stereo
D1GT: Waves IR-L full stereo
D2DN: Waves C1 comp-sc mono
D2DT: Waves C1 comp-sc stereo
D3AS: Avid Dyn3 De-Esser
DaAs: GRM Delays, GRM Doppler
DCRM: Avid DC Offset Removal
DEC4: SoundToys Decapitator
DMBN: Waves H-Comp mono
DMBT: Waves H-Comp stereo
DNQN: Waves C1 comp mono
DNQT: Waves C1 comp stereo
DOUT: Waves Center
DPNN: Waves C1 comp-gate mono
DPNT: Waves C1 comp-gate stereo
Dvrb: Avid D-Verb
ECHC: SoundToys EchoBoy
EFRN: Waves C4 mono
EFRT: Waves C4 stereo
ELFa: Avid Eleven Free
eqAs: GRM Equalize
ESAS: Avid Dyn3 Expander/Gate
ETBN: Waves DeEsser mono
ETBT: Waves DeEsser stereo
EQBT: Waves Doppler
faAs: GRM Freeze
FF14: FilterFreak 1
FF24: FilterFreak 2
FOHT: Waves Enigma
fsAs: GRM Shift
fwAs: GRM Warp
GMON: Waves MetaFlanger
HB3N: Waves GTR Amp 2Cab mono
HBNN: Waves GTR Amp mono
HBNT: Waves GTR Amp stereo
HBUN: Waves C1 gate mono
HBUT: Waves C1 gate stereo
HD3N: Waves GTR Stomp 2 mono
HD3T: Waves GTR Stomp 2 stereo
HD5N: Waves GTR Stomp 4 mono
HD5T: Waves GTR Stomp 4 stereo
HDON: Waves GTR Stomp 6 mono
HDOT: Waves GTR Stomp 6 stereo
HWNT: Waves GTR Tool Rack stereo
ICEN: Waves H-Delay mono
ICET: Waves H-Delay stereo
INVT: Avid Invert
jcat: ReFuse Lowender
JESN: Waves IDR mono
JEST: Waves IDR stereo
LAB4: SoundToys Little AlterBoy
LSte: Avid Pro Limiter
M2DN: Waves L1 Limiter mono
M2DT: Waves L1 Limiter stereo
M3NN: Waves L2 mono
M3NT: Waves L2 stereo
M4HN: Waves L3 UltraMaximizer mono
M4HT: Waves L3 UltraMaximizer stereo
M4QN: Waves L3 MultiMaximizer mono
M4QT: Waves L3 MultiMaximizer stereo
MJN2: Waves L1+ Ultramaximizer stereo
MPA2: Spanner
PhzB: SoundToys PhaseMistress
piAs: GRM PitchAccum
PMN8: SoundToys PanMan
PnT2: Serato Pitch 'n Time Pro
PSA1: Avid SansAmp PSA-1
Psst: Avid Pitch II
raAs: GRM Reson
S4HN: Waves L3-LL Ultra mono
S4HT: Waves L3-LL Ultra stereo
S4QN: Waves L3-LL Multi mono
S4QT: Waves L3-LL Multi stereo
shAs: GRM Shuffling
SpVA: AudioEase Speakerphone
TiSh: Avid Time Shift
TRM4: SoundToys Tremolator
TUBN: Waves AudioTrack mono
TUBT: Waves AudioTrack stereo
VSPD: Avid Vari-Fi
XE3N: Waves Doubler2 mono
XE3T: Waves Doubler2 stereo
XE5N: Waves Doubler4 mono
XE5T: Waves Doubler4 stereo
xssa: Avid Mod Delay III
Z4C2: Izotope RX4 Decrackler
Z4D2: Izotope RX4 Dialogue Denoiser
Z4H2: Izotope RX4 Hum Removal
Z4K2: Izotope RX4 Declicker
Z4N2: Izotope RX4 Denoiser
Z4P2: Izotope RX4 Declipper
Z4V2: Izotope RX4 Dereverb