Some gamplay features are very slow such as UI sounds, ELS and Vocal Dispatch.
First Callouts
PeterUCallouts
StopThePed
Ultimate Backup
SoreRobberys
Wilderness Callouts
Vocal Dispatch
LSPDFR+
PoliceSmartRadio
TrafficPolicer
Computer+
AssortedCallouts
BetterEMS
Airport Callouts
All the things
Cop Holster
LSPDFR
EUP
ELS
PLD
ScripthookV
ScripthookVDotNet
Manual Transmission
OpenIV Vehicles